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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).