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The cholesterol-lowering drugs known as statins are already one of the most commonly prescribed medications, taken by 15 million Americans in an attempt to ward off heart disease. Now, a new study suggests that the drugs may also reduce the risk of Alzheimer’s and dementia by 50 percent.

While the provocative finding offers hope that the cholesterol-reducing drugs might help against Alzheimer’s disease and other forms of dementia, scientists say this study is unlikely to be the last word on the topic. Indeed, it may just fuel an already lively debate over statins’ potential effect on dementia. Some research has hinted at benefits, while other studies, particularly in people with clear signs of Alzheimer’s disease, show no effect from the drugs [Science News].

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The day after the American Academy of Pediatrics recommended prescribing cholesterol-lowering drugs to some 8-year-olds, howls of protest arose from many doctors and parents. While the academy maintains that prescription drugs could help cope with the rising tide of childhood obesity and could prevent children from developing heart disease later in life, many observers say the guidelines send the wrong messages to families.

Some doctors said the recommendation would distract from common-sense changes in diet and exercise, which are also part of the new guidelines. “To be frank, I’m embarrassed for the A.A.P. today,” said Dr. Lawrence Rosen [The New York Times]. Childhood obesity expert David Ludwig adds: “My concern is what this is saying about society when we are so quick to prescribe drugs for these conditions before having systematically attacked the problem from the public health perspective” [The New York Times].

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The American Academy of Pediatrics has issued new guidelines that call for testing at-risk children’s cholesterol levels from the age of 2, and advise giving some children cholesterol-lowering drugs from the age of 8 in hopes of preventing heart disease later in life. Writing in the journal Pediatrics, doctors say that the recommendations have taken on “a new urgency, given the current epidemic of childhood obesity.”

The new guidelines are likely to stir the controversy over prescribing long-term medications to children, especially for treating symptoms related to obesity, which can also be treated with diet and exercise. But proponents say there is growing evidence that the first signs of heart disease show up in childhood, and with 30 percent of the nation’s children overweight or obese, many doctors fear that a rash of early heart attacks and diabetes is on the horizon as these children grow up [The New York Times].

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