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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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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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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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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

The degree of glacier retreat at Glacier Bay, Alaska, since 1794. The degree of glacier retreat at Glacier Bay, Alaska, since 1794.
THEMIS image of probable Mars cave entrances THEMIS image of probable Mars cave entrances
Range of Motion of the Shoulder Joint, External Rotation Range of Motion of the Shoulder Joint, External Rotation
The philosophical journey requires self-examination. Your responsibility as a critical thinker is to The philosophical journey requires self-examination. Your responsibility as a critical thinker is to
The Retinal Image The Retinal Image
The Retinal Image The Retinal Image
Video: Erythropoietin (EPO)

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