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Asthma cases in Americans are about 75% higher today than they were in 1980.
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.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Vaccines prevent between 2.5 and 4 million deaths every year.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.