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Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

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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).

Healthier choices can be made when time is taken to read a nutrition label. Healthier choices can be made when time is taken to read a nutrition label.
Psychoactive substances: (left) Psilocybin is obtained from a species of mushroom; (right) LSD is ... Psychoactive substances: (left) Psilocybin is obtained from a species of mushroom; (right) LSD is ...
Substances Filtered, Reabsorbed, and Excreted by the Kidneys Substances Filtered, Reabsorbed, and Excreted by the Kidneys
Made over Made better Made over Made better
Foods made with fat substitutes aren’t calorie free Foods made with fat substitutes aren’t calorie free
Chemical structure of three classes of lipids Chemical structure of three classes of lipids
Video: Hershey Chase Experiments

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