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Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

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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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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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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.

A section of a Yew branch A section of a Yew branch
The male reproductive system, sagittal section showing the organs of the system and their relation t The male reproductive system, sagittal section showing the organs of the system and their relation t
Anatomy of the skin. Illustration of a section of skin showing key structures. Anatomy of the skin. Illustration of a section of skin showing key structures.
Intramuscular drug administration: (a) cross section of skin showing depth of needle insertion Intramuscular drug administration: (a) cross section of skin showing depth of needle insertion
Cesarean Section Rates, Selected Countries Cesarean Section Rates, Selected Countries
Cross-section of a human molar Cross-section of a human molar
Video: Stages of Mitosis - Prophase, Prometaphase, Metaphase, Anaphase & Telophase

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