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If you search for the words “autism” and “treatment” online, you'll find all kinds of suggestions outside of accepted medical practice for how to try to minimize or even cure the symptoms. Some of those ideas can be dangerous. Doctors recently described what happened to a 4-year-old boy who showed up in the emergency room after having been sick for three weeks. He was throwing up, had lost his appetite, was constipated and extremely thirsty, and had lost more than 6.5 pounds in two weeks. (Cha, 10/11)

Mammograms are said to cut the risk of dying from breast cancer by as much as 20 percent, which sounds like an invincible argument for regular screening.Two Maryland researchers want people to question that kind of thinking. They want patients to reexamine the usefulness of cancer exams, cholesterol tests, osteoporosis pills, MRI scans and many other routinely prescribed procedures and medicines. (Hancock, 10/12)