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Author Question: In a contest, two tractors pull two identical blocks of stone the same distance over identical ... (Read 6366 times) |
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
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.