Fewer perks of calorie restriction when humans try it

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Severely cutting calorie intake appears to lower the risk of cardiovascular disease and make people more sensitive to insulin, according to the largest study to date of sustained calorie reduction in adults. The results do...

Less depression among older women who forgive

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Forgiveness is a complex process, one often fraught with difficulty and angst. New research finds that older women who forgave others were less likely to report depressive symptoms regardless of whether they felt unforgiven...

Can vitamin D prevent macular degeneration?

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Vitamin D could possibly prevent age-related macular degeneration (AMD) among women who are more genetically prone to developing the sight-damaging disease. Online in JAMA Ophthalmology, a team of researchers reports that women who are deficient...

Too much TV: Obesity isn’t the only health risk

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Spending too much time in front of the television may be unhealthy for both young adults and people with certain personality traits. A pair of studies details the risks. The first study, published online in the...

Exercise may not boost brains of frail elderly

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Studies often show older adults find cognitive benefit from exercise, but a new study finds frail older adults gain no such benefit from moderate physical activity. The study works with data from the Lifestyle Interventions...

Does vaping prep teens for lifelong addiction?

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Teens who use e-cigarettes are more likely than their non-vaping peers to start using other products like cigarettes, cigars, and hookahs, according to new research. The reason may lie in a common denominator between e-cigarettes...

Obesity makes breast tissue stiff and scarred

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Physical change in the consistency of breast tissue may explain why obese women have a higher risk of breast cancer. Researchers found evidence in mice and women that obesity leads to a stiffening of a...

Want to quit smoking? 2 ways to predict if you’ll gain weight

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Weight gain is a big worry for many people who want to quit smoking. Will they gain a little or a lot? Experts say there are two factors that can help predict which smokers...

How our brain hides (and gets back) scary memories

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Some stressful experiences—such as childhood abuse—are so overwhelming and traumatic that the memories hide in the brain. Those hidden memories may protect us from the emotional pain of recalling an event. But eventually they can lead...

Heroin, painkiller addictions go hand-in-hand

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Heroin use has increased a staggering 63 percent over the last 10 years in the United States—an increase made all the worse by the growing abuse of prescription opioids such as oxycodone (Percocet), hydrocodone...
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