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Did you know?

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).

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

An inguinal hernia. A portion of the small intestine is protruding through the abdominal muscles int An inguinal hernia. A portion of the small intestine is protruding through the abdominal muscles int
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This pre-Anasazi community in Mesa Verde, Colorado, was carved into a cliff, making it nearly impreg This pre-Anasazi community in Mesa Verde, Colorado, was carved into a cliff, making it nearly impreg
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Video: Pasteur's Experiment

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