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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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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.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Taking a Patient’s Oral Temperature with an Electronic Thermometer Taking a Patient’s Oral Temperature with an Electronic Thermometer
Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho Running time on 100-meter sprint for men and women master athletes increases with age. Source: Korho
Average Global Temperature during the Phanerozoic Average Global Temperature during the Phanerozoic
Controls of Temperature Controls of Temperature
Three different patterns of temperature-dependent sex determination (TSD) in reptiles Three different patterns of temperature-dependent sex determination (TSD) in reptiles
Beak size in finches during dry years increases because of strong selection Beak size in finches during dry years increases because of strong selection
Video: Physiology of Asthma

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