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TIME.com: Top Science and Health StoriesContrary to doctors' advice to "use it or lose it," a new study finds that brain-stimulating exercises may fend off dementia -- but at a cost A new study finds that some users of the weight-loss pill Meridia may have an increased risk of heart attack or stroke A new study finds people who are genetically predisposed to obesity may benefit most from physical activity Just when did early humans start to have feasts? New findings may have answered that question A new study suggests that a few simple questions from health care providers can protect women whose partners want to force them to have children, known as reproductive coercion The heart-healthy fats known as omega-3 fatty acids may not reduce heart risk in patients who have already developed heart disease, a new study finds One of the most contentious issues in the vast literature about alcohol consumption has been the consistent finding that those who don't drink tend to die sooner than those who do The world's coral reefs are under pressure from rising sea temperatures, ocean acidification, coastal pollution and physical damage A new study suggests that young children possess a skill many adults assume they lack: they are able to judge when a human behavior is statistically probable versus when it is unusual. New evidence suggests that breastfeeding may help keep mothers, as well as babies, healthier A new study suggests that developing stereotypical male behavior early can damage well-being Two new discoveries add to the rapidly increasing extrasolar planet count With months left underground, Chilean miners face a harrowing mental ordeal It wouldn't be summer without stories of jellyfish swarms stinging beachgoers. Now the minds behind JellyWatch want members of the public to become "citizen scientists" and record their sightings Stem-cell scientists still reeling from a judge's ruling that their life's work violates federal law received little reassurance about their job security from the nation's largest funder of these studies One reason Americans don't eat enough fish is that it's rarely in our diets when we're children Bullying and nasty cliques start as early as elementary school, says Michelle Anthony, a developmental psychologist and the co-author (with Reyna Lindert) of Little Girls Can Be Mean: Four Steps to Bully-Proof Girls in the Early Grades Stem-cell researchers say a court ruling could harm promising new science The old saying was almost right: Men Who Don't Prosper are Cheaters As doctors put out a call for a registry to help gather information on rare illnesses, pharmaceutical companies are realizing that medicines for small groups can bring big bucks. But is research into rare diseases just an excuse to cash in on sufferers? The term mid-size terror bird sounds kind of bizarre at first, as though terror birds, whatever they might be, come in a range of sizes, all of them a bit scary -- sort of like coffee options at Starbucks.
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