People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Your heart beats over 36 million times a year.
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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Water striders serve as a model organism for the study of sexual conflict between males and females.
Some organisms used as models in genetic research
If sociologists were to study land diving on Pentecost Island in Vanuatu, they could use a variety ...