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Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Transurethral resection of the prostate (TURP). As a treatment for BPH, part of the prostate gland i Transurethral resection of the prostate (TURP). As a treatment for BPH, part of the prostate gland i
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Acromegaly caused by a tumor on his pituitary gland Acromegaly caused by a tumor on his pituitary gland
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

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