Why we’re more bacteria than human
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(CNN) — You’ve probably heard that expression “you are what you eat.”

There’s a lot more truth to it than you may think, due to the 100 trillion microbes that make up your microbiome: a combination of fungi, bacteria and viruses that resides in your gut, primarily in the large intestine.

Researchers estimate  …

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Can intense workouts lead to a life-threatening condition?
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(CNN)— When Christopher Michael Everett went to his first SoulCycle class, he gave it his all. He sat in the front of the class, cranked the resistance on his bike and started pedalling.

Within the first five to 10 minutes, his thighs began to hurt and feel abnormal. But he powered through the pain and stuck it out until the end of the class.  …

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Estrogen levels linked to depression risk in women: study
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(Reader’s Digest) — If you find yourself feeling blue during menopause, there may be a really good reason why.

Hormones can trigger a roller coaster of emotions in women. From the severe mood swings of premenstrual dysphoric disorder (PMDD) to an PMS-driven increase in anxiety, hormones can wreak havoc on a woman’s emotional   …

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Doc Google isn’t always the best choice
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(NPR) — It’s not just anxious parents-to-be that are Googling health-related questions. People have been turning to the Internet for medical answers for years, and misinformation is nothing new.

“I would say on any given day, it’s probably at least 50 percent of patients who say something about the Internet,”  …

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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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