Athletes the world over are continuously searching for new ways to one-up their competition. Better training, improved technique, innovative coaching. In sports, if not always in life, there are clear winners and losers, and, often, the winners are the ones who can combine natural talent with the best and brightest advantages training and coaching have to provide. When the advantage comes from the latest and greatest gadget or gear, coaching style, or training regimen, competitors are just sorry they did not find it first. But, when the advantage comes from performance-enhancing drugs, the line between winners and losers gets a little blurry. And now, there are some sports gurus and bioethicists who wonder if legalizing performance-enhancing drugs is, in fact, a fair play.
Judging by all the destruction caused by the test subject, drinking more does make one more aggressive. A recent study published in the Journal of Studies on Alcohol and Drugs found a positive correlation between alcohol dose and aggression in human subjects. Aggressiveness was measured by shock intensity and duration administered to one's "opponent" in a competitive reaction-time task. The opponents were fictional and no actual shocks were administered. Essentially, the more alcohol one drank, the more frequent and longer shocks they applied. This finding was observed throughout both genders.
Currently, more than 33 million people worldwide are living with human immunodeficiency virus (HIV) infection. Each year, there are nearly 3 million new infections. The growing worldwide burden of this infection, which causes acquired immune deficiency syndrome (AIDS), has prompted researchers to investigate novel approaches to infection control and prevention. A recent investigation published by the New England Journal of Medicine, which will likely be known as a landmark study in HIV/AIDS research, reported that a daily dose of a prophylactic pill can prevent the spread of HIV before exposure to the virus.
The tightly regulated balance between secretion and removal of neurotransmitters is not functioning properly in certain mental conditions like bipolar disorder, obsessive-compulsive disorder, anxiety, and depression. Neurotransmitters are signaling molecules used to transmit messages between neurons (nerve cells) in the brain. Serotonin is one of the neurotransmitters affected in depression and similar disorders. The most common class of drugs for the treatment of these conditions is called selective serotonin reuptake inhibitors (SSRI). The well-known Fluoxetine (Prozac) is a member of this class.
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