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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Gunnar Kaasen and Balto, the lead dog on the last relay team of the 1925 serum run to Nome. Gunnar Kaasen and Balto, the lead dog on the last relay team of the 1925 serum run to Nome.
A subculture of employees who work at a medical practice A subculture of employees who work at a medical practice
Men’s work? Women’s work? Customs in other societies can blow away stereotypes. As is common ... Men’s work? Women’s work? Customs in other societies can blow away stereotypes. As is common ...
Who Takes Care of the Children While the Mothers Are at Work? Who Takes Care of the Children While the Mothers Are at Work?
Many hunger-relief programs work to provide food aid to needy nations Many hunger-relief programs work to provide food aid to needy nations
Arguments take place when partners are home from work Arguments take place when partners are home from work
Video: The Lac Operon in E. Coli

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