Not all plant-based diets are created equal
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(CBS News) — For years, the mantra has been that eating lots of fruits, vegetables and grains will ward off heart disease, but a new study suggests that choosing the wrong ones may backfire.

The study, of over 200,000 U.S. health professionals, found those who ate plenty of healthy plant foods — such as vegetables, beans and whole grains  …

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The battle over Essure
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Some people see a breakthrough in female contraception. Others see a dangerous medical device.

(Washington Post) — One night in April 2015, Keisha Carney tried to go to bed in spite of a bad toothache, which turned into an even worse headache — the kind that doesn’t let you sleep. “I couldn’t stand still. I was up walking around,” she says.  …

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Want to be happy? Buy more takeout and hire a maid, study suggests
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(New York Times) — It’s a question central to daily life: Do you spend money to save time or spend time to save money? Well, if happiness is the goal, you might consider opening that wallet.

That’s the takeaway of a study, published this week in the Proceedings of the National Academy of Sciences, whose findings suggest that spending money  …

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Is rule that patients must finish antibiotics course wrong?
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(The Guardian) — Telling patients to stop taking antibiotics when they feel better may be preferable to instructing them to finish the course, according to a group of experts who argue that the rule long embedded in the minds of doctors and the public is wrong and should be overturned.

Patients have traditionally been told that they must  …

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99% of ailing NFL player brains sport hallmarks of neurodegenerative disease
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(Science) — The largest study of its kind has found damage in the vast majority of former football players’ brains donated for research after they developed mental symptoms during life.

Of 202 former players of the U.S. version of the game whose brains were examined, 87% showed the diagnostic signs of chronic traumatic encephalopathy  …

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Sleeping less in old age may be adaptation to survive in wild
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There is no need because it seems that natural variation in sleep means there’s rarely a moment when someone isn’t alert enough to raise the alarm.

That’s the conclusion of a study that sheds  …

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1 in 3 dementia cases potentially preventable: report
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(CBC News) — One in three cases of dementia could be prevented by tackling risk factors such as education and depression, a large new international review estimates.

A team of 24 experts in dementia conducted the review on prevention and care.

In Thursday’s issue of The Lancet and at this year’s Alzheimer’s Association  …

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Coconut oil: are the health benefits a big fat lie?
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(The Guardian) — It wasn’t that long ago that the closest most Britons got to a coconut was at the fairground or on the inside of a Bounty bar. Yet in the past three years, this hard, hairy drupe (that’s the official term) of the coconut palm tree has emerged as the latest “superfood” extolled by celebrities and health food shops for its nutritional,  …

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Chlamydia testing for young women declines after Pap test guidelines revised
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(CBC News) — After Pap tests became less frequent in Canada, testing for chlamydia also decreased, say researchers who recommend that young women should ask their doctors about testing for the sexually transmitted infection.

In May 2012, guidelines from Cancer Care Ontario recommended less frequent Pap tests for routine cervical  …

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Green, yellow, or brown phlegm: What does it mean?
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(Medical News Today) — Phlegm is a type of mucus that is produced in the lungs and nearby lower respiratory tract airways. This kind of mucus has a crucial role in preventing germs and materials from entering the airways and lungs and potentially causing an infection.

Other areas of the body, including the upper respiratory tract (nose,  …

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