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Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

The development of ancestral tetrapods. The development of ancestral tetrapods.
The actions of Frzb and the Frizzled receptor protein show how embryonic development represents a ba The actions of Frzb and the Frizzled receptor protein show how embryonic development represents a ba
It's important to take all your antibiotics It's important to take all your antibiotics
Proteins play an important role in keeping your skin healthy and your nails strong Proteins play an important role in keeping your skin healthy and your nails strong
Fetal development Fetal development
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Video: Primate Evolutionary Tree Animation

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