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A study, which started back in 1987, shows that monkeys fed a diet with 30 percent fewer calories than normal did not live unusually long lives. Researchers say the results are a good indication of how caloric restriction might affect the life spans of people.
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Health officials said this year has already been remarkable, but with cases on the rise, this outbreak could be worst since the virus was first spotted in the U.S. in 1999.
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Long-term gains in longevity continue. Today's 65-year-olds can expect to live a tad over 20 more years. That's a huge jump from 1980, when 65-year-olds could expect 14 more years of life. A big part of the reason is that deaths from heart disease and stroke have plummeted by nearly 50 percent.
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A new study finds that when teens don't get the sleep they need on a given night, the next day all kinds of things can go poorly. The study builds on a body of evidence that finds sleep and learning are inextricably linked.
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A flurry of donations to Planned Parenthood during a dispute with Susan G. Komen Foundation is fueling an expansion of breast cancer services. Planned Parenthood is stepping up education about breast health. The funds will help fund mammograms and other tests, as well as the distribution of a tool to help doctors and nurses assess cancer risk.
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America's rate of teen pregnancies is the highest in the developed world. The good news is that the rate is declining dramatically, but it takes more than talking about sex and contraception to keep the numbers falling.
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The city has approved its first aerial spraying in 45 years to combat an outbreak of West Nile virus. Over the years, the chemicals used for aerial spraying have become much safer for everything and everyone involved — save the mosquitoes.
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The prefrontal cortex, the brain's executive control center, develops more slowly than the limbic system, which controls arousal and reward. The mismatch makes it harder for teens to maintain concentration behind the wheel.
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A study of more than 45,000 women in Denmark finds an association between suicide attempts and infection with a common parasite. The findings don't prove the parasite is the cause, but they add more evidence to a hypothesis that's been gaining momentum.
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The Treasury Department has proposed restrictions on debt collectors, required under the 2010 federal health law, to protect patients at nonprofit hospitals. A Supreme Court ruling that strikes down the entire law would scotch the new rules.