aging

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How Tough Childhoods May Lead to Premature Aging
How Tough Childhoods
May Lead to Premature Aging
study says
Oct 4, 2016 8:10 AM CDT

How Tough Childhoods May Lead to Premature Aging

Kids may appear to bounce back from life stressors, but their bodies tell a different story

(Newser) - Children appear to be highly susceptible to the stress of trauma on a biological level, according to a study published in the Proceedings of the National Academy of Sciences . US and Canadian researchers led by Eli Puterman of the University of British Columbia have been studying the length of telomeres,...

Nearly Half Japan's Millennials Are Virgins

A large number of 18- to 34-year-olds aren't just not having sex, they've never had it

(Newser) - While America might more typically worry about what its youth are doing, Japan spends a lot of time worrying about what they're not doing , and what they're not doing is having sex—at all, apparently. A new government survey suggests that the country's millennials are not only...

This Shark May Be Longest-Living Vertebrate on Earth

Scientists say the Greenland shark may live up to 500 years

(Newser) - Move over adorable centenarians featured on Good Morning America, scientists say there's a shark out there that may be able to live to be 500 years old. Researchers studying the Greenland shark estimate the oldest of their 28 specimens is 392 years old, give or take 120 years, Science...

Tell-Tale Sign of Alzheimer's: Personality Changes

Many patients who go on to develop dementia first exhibit mood problems

(Newser) - Scientists who currently look at mild cognitive impairment as an early indicator of Alzheimer's might have another tell-tale sign: Moodiness or behavioral changes, which they say show up in people who develop full-blown dementia. Researchers at the University of Calgary are proposing that doctors begin to use a 34-question...

With Menopause Reversal, Women May Be Forever Fertile

Scientists have rejuvenated post-menopausal ovaries to release fertile eggs

(Newser) - The hot flashes, night sweats, and vaginal dryness characteristic of menopause may no longer also signal the end of a woman's fertility thanks to a blood treatment used to heal wounds. Presenting their findings at the European Society of Human Reproduction and Embryology annual meeting in Helsinki, Finland, this...

Is First Person to Live to Be 150 Already Alive?

Scientists are now betting on it, literally

(Newser) - As we get better at treating age-related diseases such as cancer and dementia, humans might add 20 to 30 years to both the average person's lifespan and the longevity of the world's oldest people. So say researchers who are investigating new and existing drugs that may help slow...

Study Finds HIV-Positive Men Age 5 Years Faster

That puts them at early risk of osteoporosis, heart disease, and more

(Newser) - HIV-positive people are aging faster than their HIV-negative peers, putting them at earlier risk of things like dementia, osteoporosis, and heart disease, according to a study published last week in Molecular Cell. Researchers looked at 26,927 DNA tags—called methylation—on the genomes of 137 HIV-positive men; these methylation...

'Unprecedented' Demographic Shift Is Coming

The old will soon outnumber the young

(Newser) - In just a few years, people 65 and older around the world will begin to outnumber kids under the age of 5—"a mind-blowing demographic situation that will be a first in human history," Business Insider reports. That's the finding of a recently released US Census Bureau...

What Midlife Crisis? Most of Us Get Happier

People are happier in their 40s than in their teens

(Newser) - If you've made it through your 40s without suddenly acquiring a blood red convertible, piercings, or a skydiving habit, you might have wondered whether you were the only one to miss out on that much-vaunted midlife crisis. And you'd be right to wonder, according to researchers at the...

'Reverse Iron Man' Suit Makes Wearer Feel Decades Older

'I now fear getting old'

(Newser) - A tech company has built "a reverse Iron Man" suit, in the words of the Wall Street Journal's Geoffrey Fowler. The R70i Age Suit is designed to make the wearer feel what it's like to be decades older. Fowler, who tried on the suit during the Consumer...

Study May Reveal Why Some People Live So Long

It's in the genes

(Newser) - Science may be closer to figuring out why some people live so darn long. Researchers studying 1,800 people over the age of 100 and another 5,400 over the age of 90 discovered four genes linked to their longevity, Live Science reports. "There's a reasonably strong genetic...

To Cut Your Brain's Age by 5 Years, Eat Mediterranean

Diet may prevent brain shrinkage, cognitive impairment, dementia

(Newser) - Hoping to avoid brain shrinkage, cognitive impairment, and dementia? Gobble up lots of fish, veggies, and nuts. A new study shows those who follow the increasingly well-regarded Mediterranean diet have less brain atrophy than those who don't. Researchers scanned the brains of 674 Manhattan residents over 80 who showed...

Secret to Longevity? Deleting Certain Genes
Secret to Longevity?
Deleting Certain Genes
NEW STUDY
Oct 14, 2015 7:49 AM CDT

Secret to Longevity? Deleting Certain Genes

Scientists discover 238 genes linked to aging

(Newser) - Ten years into research they call "exhaustive," scientists at the University of Washington and the Buck Institute for Research on Aging are reporting in the journal Cell Metabolism that they've isolated 238 genes linked to aging in yeast cells. After working with undergrads to painstakingly delete a...

Scientist Injects Self With &#39;Eternal Life&#39; Bacteria
Scientist Injects Self With 'Eternal Life' Bacteria
IN CASE YOU MISSED IT
Oct 4, 2015 6:16 AM CDT

Scientist Injects Self With 'Eternal Life' Bacteria

Russian researcher saw mice, flies reaped benefits from bacteria, so why not?

(Newser) - In 2009, a 3.5-million-year-old bacteria strain called Bacillus F was discovered deep in the permafrost of Siberia's Sakha Republic, per Medical Daily . Scientists soon after found that mice and fruit flies exposed to the bacteria seemed to get a boost to their immune systems, leading to longer lives...

Your Liver Is Younger Than Your Brain
Your Liver Is Younger
Than Your Brain
Sep 18, 2015 11:54 AM CDT

Your Liver Is Younger Than Your Brain

Scientists learn what makes our organs age at different rates

(Newser) - It's well established that our most vital organ, the heart, doesn't necessarily age at the same rate as we do—based in part on lifestyle factors, some of us have hearts that are older or younger than our chronological age. Now researchers are reporting in the journal Cell ...

New Test Can Predict When You&#39;ll Die
 New Test Can 
 Predict When 
 You'll Die 
STUDY SAYS
Sep 7, 2015 10:31 AM CDT

New Test Can Predict When You'll Die

'Gene signature' can be used to predict onset of diseases

(Newser) - "Health" and "age" are two distinct concepts, and no matter how old you are chronologically, a simple blood test can help determine what King's College London researchers call your "biological age"—which may be able to predict your longevity, the BBC reports. A study published...

Gay Veterans: Upgrade Our Discharges to 'Honorable'

After being kicked out of military, gay veterans fight for recognition

(Newser) - Kicked out of their units, rejected by their churches, denied veterans' benefits and job opportunities after being interrogated about the most personal details of their lives. This was the plight of many of the estimated 100,000 gay US service members discharged between World War II and 2011, when the...

You May Be Aging More Quickly Than Your Peers

People's biological ages often don't match up with actual ages: scientists

(Newser) - If you've ever been told "you look good for your age," take it as the compliment it's meant to be—some people can't say the same. A study published in the Proceedings of the National Academy of Sciences finds people age at what the Guardian ...

Want to Nag Your Spouse About Health? Use This Study

If his or her health is poor as you age, your quality of life may suffer

(Newser) - Learning a new language might help you fight the effects of aging, but new research out of the University of Arizona suggests at least two factors affecting your quality of life are out of your hands—and in those of your spouse. Over six years, 8,000 married couples...

Bomb Blasts May Be Aging Soldiers&#39; Brains
Bomb Blasts May Be
Aging Soldiers' Brains
NEW STUDY
Jun 1, 2015 4:32 PM CDT

Bomb Blasts May Be Aging Soldiers' Brains

Even if they were far from the blasts

(Newser) - American soldiers exposed to bomb blasts in Iraq and Afghanistan are suffering early brain degeneration and aging—even if they were far from detonation, USA Today reports. In all, 256 veterans and service members between the ages of 19 and 62 were analyzed in a study published today in Brain:...

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