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Author Question: Arlene quits her 125,000-a-year job to take care of her ailing parents. What is the opportunity cost ... (Read 22 times) |
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.