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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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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.

Supervised role-play can help a child feel more at ease during office visits. Supervised role-play can help a child feel more at ease during office visits.
Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ... Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ...
The reference electrodes are shared by the Nernst cell and the pump cell. The reference electrodes are shared by the Nernst cell and the pump cell.
Reference points for posture analysis. Reference points for posture analysis.
Dietary Reference Intakes Dietary Reference Intakes
Prove the following arguments using the two-column format. Prove the following arguments using the two-column format.
Video: Stroke volume - afterload definition & hypertension

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