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Author Question: In a (an) survey design, a single group of participants is questioned more than once. a. ... (Read 44 times) |
There are approximately 3 million unintended pregnancies in the United States each year.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.
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.