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Daily Archives: October 4, 2016

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The Science Behind Why Some People Age Faster Than Others

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WEDNESDAY, Sept. 28, 2016 (HealthDay News) — Some adults age faster biologically than others, and may die early even if they have healthy lifestyles, researchers report.

The international team of scientists analyzed DNA in blood samples from more than 13,000 people in the United States and Europe and used an “epigenetic clock” to predict their life spans.

The clock calculates the aging of blood and other tissues by tracking a natural process (methylation) that chemically alters DNA over time, the researchers explained.

“We discovered that 5 percent of the population ages at a faster biological rate, resulting in a shorter life expectancy,” said principal investigator Steve Horvath. He is a professor of human genetics and biostatistics at the University of California, Los Angeles.

“Accelerated aging increases these adults’ risk of death by 50 percent at any age,” Horvath added in a university news release.

“While a healthful lifestyle may help extend life expectancy, our innate aging process prevents us from cheating death forever,” he said. “Yet risk factors like smoking, diabetes and high blood pressure still predict mortality more strongly than one’s epigenetic aging rate.”

The study was published Sept. 28 in the journal Aging.

“We were stunned to see that the epigenetic clock was able to predict the lifespans of Caucasians, Hispanics and African-Americans,” said study first author Brian Chen, a postdoctoral fellow at the U.S. National Institute on Aging.

“This rang true even after adjusting for traditional risk factors like age, gender, smoking, body mass index, disease history and blood cell counts,” Chen added.

Horvath said the research appears to reveal valuable clues into what causes human aging. This marks “a first step toward developing targeted methods to slow the process,” he added.

The preliminary findings may help explain why some adults die young even if they have a nutritious diet, get regular exercise, don’t smoke and drink little or no alcohol.

Larger studies are needed to help scientists tease out the relationship between biological age and specific diseases, the study authors added.

More information

The American Academy of Family Physicians offers tips for staying healthy.

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When You Cry At Work, This Is What Happens

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If you’re a baby, bursting into a puddle of tears (in public or in private) helps you get what you want. But if you’re a grown-up, crying at work will only get you left behind, a new study suggests.

In a series of three experiments, published in the British Journal of Social Psychology, researchers asked about 1,000 people their impression of a person in a photograph. In one photo, the person had visible tears on their cheek—making it obvious that they were crying—or showed no tears, because they’d been digitally removed. The presence of a tear made all the difference; people perceived the tearful person as sadder, warmer—but also less competent—than the very same person when the tears had been edited out. People looking at the photos said they were more likely to approach a tearful person to offer help than one without tears.

But in another experiment in the study, people were shown the photographs and asked a different question: “If you would arrive at work, and your manager asks you to finish an important project that afternoon, would you like to do that with this person?”

People in the study said they wanted to approach the woman in the photo to see if they could help, but weren’t too eager to work with her on a big project. “It seems that people who cry are seen as less competent persons in general,” says Niels van de Ven, associate professor in marketing at Tilburg University in the Netherlands and one of the authors of the study. “We did not give reasons about why people were crying, but still, it reflects badly on their perceived competence.”

Why adults cry has been a mystery to scientists for centuries, as TIME recently reported. One prominent theory is that crying signals to others an inability to cope with something happening at that moment, and tears trigger bystanders’ desire to help. Several studies, including this one, have shown that tears do compel people to approach someone who’s crying. But the new work shows that the effects of those tears are not all positive and may depend on context. “Work is definitely a place where crying seems to be not really appreciated,” van de Ven says. “Work is a setting where typically everything is about competence.”

Thankfully, though, the office is not the most popular spot to cry. In one comprehensive survey, 74% of people said the last place they cried was at home, while only 6% reported crying at work or school. Wondering how your crying habits measure up to the those of your colleagues? Take our quiz to find out what kind of crier you are.

 

This article originally appeared on Time.com.

Escalating density training with Alexa Towersey

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The place to come for fitness, weight loss, supplement, and just awesome health info.

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Take your workouts to the next level with this escalating density style training with celebrity trainer and Women’s Health and Fitness cover model Alexa Towersey.

Get involved in the movement and #rawfitspo on Instagram and follow @whandfmag for more.

 

 

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