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Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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There are 20 feet of blood vessels in each square inch of human skin.

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui
Both men and women gain weight in young adulthood and middle adulthood, losing in the late 50s, but Both men and women gain weight in young adulthood and middle adulthood, losing in the late 50s, but
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
A vehicle emission control information (VECI) sticker on a flexible fuel vehicle. A vehicle emission control information (VECI) sticker on a flexible fuel vehicle.
Results from Kliegl's study show that older adults can learn complex information-processing Results from Kliegl's study show that older adults can learn complex information-processing
Simplified diagram of information flow (the central dogma) from DNA to RNA Simplified diagram of information flow (the central dogma) from DNA to RNA
Video: Neurotransmission at chemical synapses & Excitory and inhibitory potentials

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