Depression is a severe and crippling emotional disorder that afflicts some 10-15% of the population worldwide, according to the World Health Organization. While there are many varieties of the disorder, the principal characteristics of the illness remain the same: a reduced level of self-esteem; demand of energy or interest in regular activities; reduced social functioning and alteration to individualized relationships; changes in appetite and weight; and gloomy and often suicidal thoughts and actions.

At one time, depression was seen as being solely the result of environmental factors such as upbringing, trauma, and stress. Research in the last few decades, however, has begun to reveal that depression has a strong biological basis that interacts with environmental factors to bring on the condition. While the exact interrelationship of these factors is still not fully understood, the research has led to breakthroughs in the use of medications and other treatments that can help depression sufferers lead productive and satisfying lives.

Understanding the biological basis of depression requires a look at how the normal brain operates. Within the brain, special chemicals called neurotransmitters carry out many important functions as they help transfer messages throughout the brain’s nerve cells, called neurons. We apiece have somewhere between 10-100 billion neurons within our brains. Whenever we do anything, react, feel emotions, or think, our neurons transmit messages in the form of electrical impulses from one cell to another in about 1/5,000 of a second. Because they move so quickly, our brains can react instantaneously to stimuli such as pain.

Neurotransmitters travel from neuron to neuron in an orderly fashion. They are specifically shaped so that after they pass from a neuron into the synapse, they can be received onto certain receptors, on a neighboring neuron. Neurotransmitters can fit a number of different receptors, but receptor sites can only receive specific types of neurotransmitters. Upon landing at the receptor site of neuron, the chemical message of the neurotransmitter might either be changed into an electrical impulse and continue on its way through the next neuron, or it might stop where it is. In either case the neurotransmitter releases from the receptor site and floats back into the synapse. It is then removed from the synapse in one of two ways. The neurotransmitter might be broken down by a chemical called monoamine oxidase, or it might be taken back in by the neuron that originally released it, via a process called reuptake.

Of the 30 or so neurotransmitters that have been identified, researchers have discovered associations between clinical depression and the function of three primary neurotransmitters: serotonin, norepinephrine, and dopamine. These function within the limbic structures and hypothalamus – those sections of the brain that regulate emotions, reactions to stress, sleep, appetite, and sexuality.

It is at this point that the research on the exact mechanisms of depression is incomplete. Scientists have been trying to unlock the secret behind clinical depression by trying to comprehend the way in which antidepressants work on this process to elevate mood and reduce symptoms. In a way that is not clearly understood, antidepressants seem to affect that way that the neurons in the brain deal with their “used” neurotransmitters. Some (the MAOI, or monoamine oxidase inhibitor category of drugs) seem to work by lowering the amounts of the chemical that breaks down certain neurotransmitters; others (the SSRI or selective serotonin reuptake inhibitors) seem to reduce the amount of serotonin that is taken back into the cells, thus freeing more to help elevate mood. Neither mechanism is fully understood. Also, research continues to increase knowledge and effectiveness of these drugs.

While medications are important, it is important to know that there are non-medication approaches to changing this biochemistry. Just as diabetes requires both a medication and a behavioral approach, depression is ideal fought with a combination of behavioral change and medication. Things like regular exercise and a proper diet (carbohydrates in particular are thought to affect this chemistry) as well as maintaining regular routines around sleep and meals seem to have a positive effect on the levels of neurotransmitters in the brain. Research indicates that there might be a genetic component in how susceptible an individual is to depression, even though a strong causal link has not been shown and no treatments based on this fact currently exist.

Therapy, of course, helps an individual to learn to cope with the crushing thoughts and moods of depression, and is a major part of the treatment of the condition. It is important to comprehend that all of these approaches, used in tandem, can directly improve the body’s capability to function in spite of the effect of the biochemistry. Depression, while a serious condition, can be controlled if the mortal takes all these factors into account.

The various therapies encompassed by biological dentistry all share a single basic premise: They are founded on the intent that the teeth can affect the general health of the body, and vice versa.

For example, the theory for which biological dentistry is ideal known asserts that the mercury in amalgam fillings can make you sick, leading to recurrent health problems, such as neurologic disorders, chronic fatigue, and arthritis. To cure these ailments, proponents say, you need only have all your amalgam fillings removed and replaced with less toxic alternatives, such as non-metallic quarts based fillings or porcelain inlays.

Many dentists and oral surgeons can and often do remove amalgam fillings at their patients request. However, before you embark on what could become a very costly and uncomfortable series of dental procedures, you should think about the fact that both the American Dental Association and the National Institutes of Health have specifically rejected the amalgam theory. There is no scientific evidence, they say, of any detrimental effects from amalgam.

Of course, the so-called amalgam problem is not the only reason that people seek out biological dentists. The various unconventional treatments seek to cure a broad spectrum of ailments ranging from headache to heart disease through operations on the teeth and mouth. Some people adopt these therapies as “natural” or “non-toxic” alternatives to mainstream treatment. However, none of them have been proven effective in scientific tests.

Many people are pre-disposed to depression because of their own biological makeup making their risk of suffering from this condition much greater then those who do not share these risk factors. There are four main biological factors that can increase a persons risk for depression and these include (1) genetic factors, (2) biochemical factors, (3) alterations in hormonal regulation and, (4) sleep abnormalities.

Genetic Factors

Studies done with twins have shown that genetic factors play a role in the development of depressive disorders. There have been a number of studies done that show that the average rate of shared mood disorders among same twins is 45% to 60%. This means if one twin suffers from depression, or any other mood disorder, there is a 45% to 60% chance that the other twin will also be affected. Contrast this with fraternal twins where the percentage falls of drastically to only 12%.

Moods disorders are inheritable for some people. This also means that those who are genetically susceptible to mood disorders can have an primeval age of onset, a greater rate of suffering other disorders in addition to depression and an increased risk of recurrent illnesses. However, any genetic factors that are present must interact with environmental factors for depression to develop.

Biochemical Factors

The brain contains billions of neurons and is a highly complex organ. There is a lot of evidence that points to the intent that depression is a biological or chemical disorder where central nervous system neurotransmitter abnormalities are a probable cause of clinical depression. These neurotransmitter abnormalities might be the result of inherited or environmental factors, or even of other medical conditions, such as cerebral infarction, hypothyroidism, AIDS, or substance abuse.

Specific neurotransmitters in the brain are believed to be related to mood modified states. It was initially believed that the two main neurotransmitters involved were serotonin and norepinephrine. With new research though it is now thought that depression results from the dysregulation of a number of neurotransmitter systems in addition to serotonin and norepinephrine. The dopamine, acetylcholine, and neurotransmitter systems are also believed to be involved in the pathophysiology of major depression.

Alterations in Hormonal Regulation

Although there is still inconclusive evidence that hormones can play a role in depression. The most studied neuroendocrine characteristic that relates to depression has been hyperactivity of the hypothalamic-pituitary-adrenal cortical axis. Evidence of increased cortisol secretion is apparent in 20% to 40% of depressed outpatients and 40% to 60% of depressed inpatients. Results of a dexamethasone suppression test are abnormal in about 50% of patients with depression, which indicates hyperactivity of the hypothalamic-pituitary-adrenal cortical axis. However, the findings of this test might also be abnormal in people with obsessive-compulsive disorders and other medical conditions. Significantly, patients with psychotic major depression are among those with the highest rates of nonsuppression of cortisol on the dexamethasone suppression test.

Sleep Abnormalities

Sleep electroencephalogram abnormalities might be evident in 40% to 60% of outpatients and up to 90% of inpatients during a major depressive episode. People prone to depression tend to have a pre-mature loss of sleep, slow delta wave sleep and modified rapid eye movement (REM) latency. The phase of REM sleep associated with dreaming occurs primeval in two thirds of people with bipolar and major depressive illnesses. This sign is referred to as reduced REM latency and is consistent with the expected manifestation of an inherited trait. Reduced REM latency and deficits in slow-wave sleep typical preserve following recovery from a depressed episode. Data also recommends that depressed patients without this sign are not likely to respond to treatment with tricyclic antidepressants, which suppress primeval REM sleep.

There are many factors that contribute to depression, many of which are biochemical in nature. Those that are biologically induced can be treated with different prescription drugs but as with anything relating to human emotion and chemical makeup answering one question as to why brings up more questions that remain unanswered.

Testing for biological weapons is already a daunting task. The last thing first responders need to question is the calibre of their detection devices. That’s why Advnt Biotechnologies develops and manufactures first communicator test kits that address the five most important things to look for in biological warfare detection devices – 1) ease-of-use, 2) no need for additional any equipment, 3) immediacy of results, 4) reliability and 5) shelf life. ome detection systems require some in-depth training. That’s not the case with Advnt’s Pro Strips and BADD devices, both of which test for anthrax, botulism, ricin, Y. pestis and SEB’s. Advnt’s easy-to-use simulation training kits and threat dust simulation powder is all the training that’s necessary, though a free training CD is acquirable upon request.
Additional equipment is sometimes required for biological warfare detection devices. Again, that is not the case with Pro Strips or BADD test kits. You need no batteries, Guardian reader or any costly electronics to use and read the results.
Waiting for results for the presence of biological weapons wastes precious time. That’s why manufacturers of detection devices must be diligent in their efforts to continually minimize this move time. Advnt Biotechnologies has done just that. Each single one of their tests – for anthrax, botulism, ricin,pesis and SEB’s – returns results in as tiny as three minutes.
Of course, the immediacy of results means tiny without accuracy. In the primeval days of detection devices for biological warfare weapons, tests weren’t always reliable. And even today, some detection devices are not as sensitive as others, imperfectness to refer specific threats. On the contrary, the accuracy of Pro Strips and BADD first communicator test kits is 100 percent guaranteed!
No test kit is effective indefinitely, but Advnt’s detection devices have one of the longest shelf lives of any test on the market this day – two years. Additionally, Advnt’s test kits do not require any special storage conditions throughout the products life time. Yet rather than take any chances on an ineffective test being used, these biotechnology experts advocate that first responders replace their unused devices at the two-year mark, before any degradation process can begin.

I am adopted – Where can I find my real parents

Do you want to find your real parents? Are you curious about where you came from, who your parents are and why they gave you up for adoption? If you’ve never known your biological parents then it’s only human nature that sooner or later you’ll begin to wonder why it is that they left you. You might not want to meet them, especially when you find out what the’re like but I bet that you would like to know something about them even if you do it secretly.

Before the World wide web and the availability of public records online the only way to find someone was either to spend a lot of time making enquiries in the places where you think the mortal might have resided or to spend money on a private detective who would do the work for you. The first option often meant a lot of traveling to follow up leads that you find. The second option is costly and enough to make most people think twice about finding their lost parents.

Start searching for your biological parents by looking yourself up

You have to begin somewhere and you aren’t going to get far unless you know the obloquy of your parents and have at least an intent of where they lived when you were born. This information should be on your birth certificate but if you were adopted then you might not possess a copy. If you don’t have your real parents details then go online and look up information on yourself. You should be healthy to find the information that you need amongst the public birth records.

Armed with the information about your parents from your birth record you can now search for their details using the same online database. If you know their obloquy and where they used to live you should be healthy to find out where they are located now.

And there’s more. When you begin finding information on your parents you can find out much more than simply where they live. You can find telephone numbers, criminal records, marriage records, arrest records and all sorts of things that you never imagined.

Locate birth parents confidentially so that you decide if you want to contact them or not

You might have a burning desire to get in touch with your real parents or you might just be curious to know who they are and what they’ve been doing. You might not know yourself whether you want to contact them at this time. Either way there’s no harm in doing the searches and tracing your biological parents and possibly the rest of your real family because it’s all done with 100% confidentiality.

When you have the information you can decide what you are going to do with it. You can pick the phone up and call them or you can quietly ignore it and get on with your own life.

Using an online public records database to find people doesn’t work for everyone, some people just can’t be found, but it is the ideal and certainly the easiest way to search for someone by a long way. If you are even thinking about the parents that you’ve lost then you owe it to yourself to give this a try. You might get a very pleasant surprise and you don’t have anything to lose.

Before you become a marine biologist, you need to know the stipulations and tools that will help you land a stable and interesting job. The subject is so diverse, which is why you have to spend some time contemplating on which subjects to take, as well as the inclusions of apiece related job. You might realize that you want to work in a related profession. Here are some of the common questions asked by individuals.

What should you major in if you want to work with aquatic mammals?

Very few individuals select to specialize in marine mammals even though the subject is very interesting. Students are suggested to take up courses in organismal biology like fish biology, marine mammals, vertebrate biology and invertebrate biology. They should also take up courses in aquaculture and aquatic animal illnesses to plan for aquarium work in the future. Students who aim to work with marine mammals must take up courses in animal behavior, as well as other courses on aquatic mammals if these are present. Volunteers can work at an aquarium or stranding program is ideally needed for entrance into the competitive field. You can visit different marine mammalogy web sites online for more information.

What should you take if you want to focus on sharks and fishes?

If you want to study sharks or fishes, you have to specialize in the subfield within the fields of marine biology and ichthyology. Students must major in Marine Biology or Biological Sciences and take up courses in Fish Biology, Vertebrate Biology, Ichthyology and other specialized courses, as much as they are available.

If you want to go to Vet School, Medical School or Dental School, can you take up Marine Biology as a major?

You can still take up marine biology as a major even if you want to take up another course or school in the future. BS in Marine Biology is just the same is BS Biological Science. It includes courses that are needed for entrance to Vet, Medical or Dental School. Students are suggested to take up different courses aside from the others to satisfy the major in marine biology, making the completion of the course more challenging with added studies.

Do I have to meet my power advisor each semester?

Experts highly advocate that you interact with power one-on-one regularly, so that these helpful people can get to know you superior too. The power advisor can help guide you in courses that will meet your specific stipulations and interest. You can learn more about research opportunities, job opportunities, internship programs, summer field courses and graduate school application procedures.

What jobs can you get after graduating Marine Biology?

Marine biology majors usually train in chemistry, physics, biology, calculus, marine biology and oceanography. Students can then be eligible for jobs as marine biologists, oceanography and educators. You can contact different universities and institutions to help you in your research and open the possibility of teaching others who also want to become marine professionals. Visit the official web site or meet with the department head.

Prior to the development of newer biologic medications, rheumatologists were relegated to using disease modifying anti-rheumatic drugs (DMARDS) to treat rheumatoid arthritis (RA).

These DMARDS (drugs such as methotrexate, hydroxychloroquine [Plaquenil], sulfasalazine [Azulfidine]), were and continue to be helpful in reducing signs and symptoms of disease but do not have the capability to place the disease into remission.

Approximately 15 years ago, though, the landscape shifted with the advent of biologic therapy, targeted therapies that act on specific targets in the immune cascade.

The measurement of disease activity as well as treatment effectiveness has shifted from purely measuring inflammation to also using devices such as health related calibre of life questionnaires.

The use of these questionnaires provides a glimpse into a patient’s physical function, subjective sensation of pain, emotional health, social function, and fatigue.

While these questionnaires are subjective, neutral measures of disease are also being tallied. In addition to blood markers such as C-reactive accelerator and erythrocyte sedimentation rate (ESR), which have been old-time stand-bys, clinical measurements such as disease activity score (DAS) which incorporate a combination of neutral joint measures of inflammation plus blood markers, have granted more precise evaluations of a patient’s status.

Also, the use of diagnostic ultrasound and attractable resonance imaging has granted rheumatologists to make treatment decisions that are based on neutral data rather than “gestalt.”

Analysis of epidemiologic information in the past has demonstrated that RA increases the likelihood of a patient having a myocardial infarction (heart attack).

It appears from current preliminary data that the use of biologic drugs in combination with methotrexate has reduced the chance of this occurrence much more so than the use of conventional DMARD treatment by itself.

In addition, there have been significant reductions in the rate of hospitalization for pneumonia, and reduction in the incidence of flares of inflammatory eye disease due to RA.

Current biologic therapies are highly effective in treating RA, but alternatives are still needed for patients who have either primary non-response (not responding to the drug right out of the chute) or secondary non-response (losing effectiveness over time).

In addition to the first wave of biologic therapies which consist of drugs that block tumor necrosis bourgeois (TNF), more current biologic therapies such as rituximab (Rituxan) and abatacept (Orencia) might wage further benefits due to differences in mechanism of action.

These drugs are generally reserved for patients who have unsuccessful anti-TNF therapy.

A major hurdle that biologic drugs in general need to circumvent is the increased propensity towards infection, particularly tuberculosis with the anti-TNF drugs. In addition, an increased incidence of other fungal infections such as histoplasmosis and coccidiodomycosis has also been noted.

In addition, newer drugs in the anti-TNF class such as certoluzimab (Cimzia) and golimumab might also be welcome additions to the rheumatologists arsenal of weapons.

Cimzia appears to have a couple of captivating properties since it seems to have a rapid onset of action and also cause less pain at the site of injection.

Another biologic, tociluzumab- a humanized antibody- that blocks interlekin-6, also has demonstrated effectiveness in patients who have unsuccessful to respond to anti-TNF therapy.

Denosumab, which is a drug that blocks a substance called RANK ligand inhibits bone destruction in patients with rheumatoid arthritis and might also be effective for treating osteoporosis.

Finally, a class of drugs, called “small molecules”- oral agents that block accelerator kinases, have far-reaching effects on the immune system and have shown impressive effects in rheumatoid arthritis. They have the added advantage of being oral. Unfortunately, they may, because of their mode of action, also have undesirable side effects… so further investigation is ongoing.

Rare is the student who breathes and eats biology but with the use of biological microscopes, students who have little taste for the subject can learn something useful.

Impressions on the Biological Microscopes

You can't escape biology; it is a basic work stipulation in grade school, mid-school, high school, and college. The point here is to awaken student’s interest in the sciences or open a new whole world for them and that world is the ‘invisible life’ seen under the microscope. If you have seen those biological microscopes in Toronto shops, and how these are carefully handled, you must begin wondering why.

The first time students use a biological microscope, they only comprehend the entire microscopy process as magnified viewing of living and non-living things. They do not comprehend the entire principle of microscopy nor do they value the significance of microscopes. From their points of view, a biological microscope is just a microscope and that’s that. But once they handle those biological microscopes in Toronto shops, they get to know equipment as basic learning tool.

Equipped with technical and electronic functions, the biological microscope transforms into professional microscopes. The next time or the first time you use those microscopes, use it to your advantage. Know the microscope parts and their uses and read up on the microscope illumination to superior appreciate the role of the microscope in your biology lab. Visit trusted dealers of biological microscopes in Toronto to check the microscope brands acquirable and request for a demo to see how well it works.

Understanding Your Biology Lessons

Biology is about perceptive and examining life processes. The biological microscope shows you how the parts of a leaf store and distribute the nourishment it needs to survive. Viewing the little parts of the leaf, such as the cell membrane, vacuole, cytoplasm, chloroplast, cell nucleus, and cell surround will not immediately instruct you how it works but seeing these things after you have read your biology lesson on plant life, help you comprehend the biological dynamics of this life form.

By managing the microscope, you go through the drill and comprehend what you are doing and seeing. Dealers of biological microscopes in Toronto offer only the ideal when it comes to biological microscopes because learning biology through the microscope notches up your understanding of the subject.

Your biology instructor would be willing to grant you use of the school work after classes just so you can study the specimen longer. If there is something you can't fathom through the microscope, read and keep on reading. This might sound tedious to a high school student who likes hip-hopping or playing with video games, but then, they have to pass their biology subjects before they can get to the next academic level.

If you want to ace your biology exams or get a good grade, use that biological microscope at the work often or get one from the biological microscopes in Toronto; it will serve you in good stead for a number of years until you have finished and passed all those biology classes. You can trust the reliability of Toronto biological microscopes and get a clean deal in the bargain.

CanScope – complete solution for all your microscopy needs.

Contact: 1-877-56SCOPE(72673) or info@CanScope.ca

One important thing when setting up an aquarium is patience. Nature’s biological process takes from 4 to 6 weeks.

Let me explain the Biological Process…

The biological cycle happens when beneficial bacteria breaks down toxic organic compounds into less toxic compounds. Then we can manage these less toxic compounds through weekly water changes. The beneficial bacteria that we need to culture in the aquarium are called Nitrosomonas and Nitrobacter bacteria. Nitrosomonas bacteria break down deadly ammonia to less toxic nitrite. Nitrobacter bacteria then convert nitrite to an even less toxic nitrate. These chemicals can only be detected with test kits. Algae blooms sometimes indicate excessive nitrates. The biological cycle starts when you place 2 or 3 very hardy fish into your new tank. These fish have small amounts of the bacteria in their digestive tract which they will release into the aquarium. Nitrosomonas and Nitrobacter bacteria live in the substrate of your tank. They need oxygen to live. That’s why it’s important to keep your power heads or air pumps working at all times. They pull air from the water through the gravel giving the bacteria a continuous supply of oxygen.

You can speed up the biological process by adding gravel from an established tank to the new aquarium. I’ve done this many times with no problems. The bacteria will spread from the old cultured gravel to the new gravel. There are products that can also speed up the biological cycle, like Stress Zyme®, which you add to the aquarium water when you introduce your first fish. Stress Zyme®contains over 300 million beneficial bacteria per teaspoon. To know if your biological cycle is complete, you have to test the water. Get a water test kit that tests for Ammonia, Nitrite, and Nitrate. The first thing that you’ll see in a new aquarium is a spike in Ammonia levels a few days after you’ve added your 2 or 3 hardy fish. Keep testing the water each couple of days and eventually you’ll see the Ammonia level drop and the Nitrite level go up. This is a good indication that the biological process is starting.

Test each couple of days and eventually you’ll see the Nitrite level drop and the Nitrate level rise. Nitrate is easily managed by changing 10% to 20% of your aquarium water each week. Ammonia starts the whole process. Ammonia comes from fish respiration, and decomposing organic wastes such as fish feces and left over food.

You want to add your fish now?

6 or 8 weeks later it’s innocuous to add more fish to the tank. Keep testing your water. Add one or two fish each two weeks until you have the number of fish appropriate to you tank.

If you want to read more about keeping a fish tank in your home, visit me at http://www.thefishtankplace.com

Contrary to common belief, biological filters do not process or filter the solid waste of fish in your koi pond. They continue to build up and putrefy, creating a breeding ground for harmful species of heterotrophic bacteria which are pathogenic to koi fish. As stated, the biological filtration process utilizes Nitrosomonas bacteria to break down ammonia into nitrite and nitrobacter, further converting nitrites into nitrates, which is less harmful to koi fish.

Plants now utilize the nitrate and phosphate for fertilizer; if you have not provided an sufficient ratio of water plants to koi fish, “hard” algae (growing on rocks and koi pond walls) and “free- floating” algae use nitrate and phosphate to reproduce. The key to preventing this condition, called “algae bloom,” is to wage enough nonsoil bearing plants such as water lettuce and hyacinths to compete for the nitrate and phosphate. Since these two plants are tropical and can only survive in warm climates, hardier varieties such as Elodea and Anacharis will perform well in cold climates. These plants are commonly used in bio-filter ponds.

A bio-filter pond is used in conjunction with shallow koi ponds with small populations of koi fish. It will also eliminate the need for a mechanical bio-filter and a second pump to operate it. The bio-filter pond is located higher than the main pond for two reasons. It prevents the koi fish from intake the plants and it grants the water from the waterfall to be filtered as it passes through the plants prior to spilling into the lower koi pond.

An sufficient ratio of plant cover for the koi pond’s surface is approximately 20 to 30 percent. This is a basic rule of thumb and many factors can change this equation. For example: koi fish population, water temperature, and debris accumulating from leaves or over-feeding the koi fish. I have stated many times that the Koi Pond is the koi’s living room, dining room and toilet.

If you do not have a bio-filter, that could explain why your koi pond is a shade green, stinky, or cloudy, and why your finned family is gulping air on the surface. Trust me. That will not be for long. Fish gulping air to survive would be like you — in an attempt to refrain breathing poisoned air — gulping water to survive. I have a do-it-yourself easy instruction sheet with diagrams, for building your own bio-filter using $25-$35 worth of parts from any home improvement store. Also includes a shopping list of necessary items. download free (no sign-in) no obligation… http://www.askdoughoover.com/

Happy koi, peace and joy.