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Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Polycystic ovary syndrome. Polycystic ovary syndrome.
This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ... This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ...
Fetal Alcohol Syndrome Children born with fetal alcohol syndrome often have facial abnormalities Fetal Alcohol Syndrome Children born with fetal alcohol syndrome often have facial abnormalities
Refeeding Syndrome Trajectory Refeeding Syndrome Trajectory
(a) The characteristic karyotype of Klinefelter syndrome. (b) The young man (left) in these photos h (a) The characteristic karyotype of Klinefelter syndrome. (b) The young man (left) in these photos h
How to handle Piriformis Syndrome better? How to handle Piriformis Syndrome better?
Video: Autonomic Nervous System Animation

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