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Did you know?

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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
The Pituitary Gland The Pituitary Gland
The parathyroid glands. The parathyroid glands.
The pancreas, an endocrine and exocrine gland. The pancreas, an endocrine and exocrine gland.
Mechanism of the thyroid gland showing a stimulus (1) that causes the release of TSH (2) and then ... Mechanism of the thyroid gland showing a stimulus (1) that causes the release of TSH (2) and then ...
Location of the hypothalamus and pituitary gland Location of the hypothalamus and pituitary gland
Video: Medullary osmotic gradient - influencing factors

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