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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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.
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.