aging

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Blood in Umbilical Cord May Improve Our Memories

Older mice injected with it performed better on maze tests

(Newser) - Oh, the proverbial fountain of youth. As we age, can we somehow tap into it? Researchers are exploring this in a literal way as they study the effects of blood from human umbilical cords—which is about as young as it gets—on aging mice. Reporting in the journal Nature... More »

What Our Gums Say About Our Overall Health

Having all our teeth is a very good sign

(Newser) - Don't think your oral health is as important as the health of the rest of your body? Think again. Researchers have turned to 57,000 women over age 55 in the Women's Health Initiative program to conduct the largest study of its kind on the relationship between oral... More »

Rare Aging Disease Kills 2nd-Oldest Patient

Canadian Devin Scullion died Sunday at age 20

(Newser) - Devin Scullion's mother didn't let herself think about her son's high school graduation until the day arrived. Nor did Jamie Madley envision Scullion reaching adulthood until his 18th birthday, when he fulfilled his dream of flying a plane. She was only trying to protect herself: At just... More »

Restricting Calories Could Improve Longevity

At least it does in rhesus macaque monkeys

(Newser) - Studies on a wide range of species have found that calorie restriction almost always extends lifespan—and this is true in yeast, worms, flies, mice, and more. But whether this applies to primates has been the subject of considerable debate since studies by two highly reputable organizations have reported such... More »

Startup Bets 'Young Blood,' Taken Literally, Fights Aging

Clinical trial underway, but you have to pay to play

(Newser) - If you'd like to fill your veins with the blood of young people, you need only drain your bank account of $8,000. That's right, young blood is now joining the ever-growing ranks of "cures" people are paying for to combat age-related diseases and even aging itself.... More »

A Blood Test Predicts How Well You're Going to Age

What secrets lurk within?

(Newser) - Every time the oldest people in the world celebrate a birthday, they're inevitably asked their secret to aging. Some cite alcohol, others the lack of it; some how much they sleep, others how little; many talk about just relaxing , and almost all pay homage to having good genes. Now... More »

Scientists Take 'Huge' Step Toward Reversing Aging

'Our study shows that aging may not have to proceed in one single direction'

(Newser) - In the future, we may be able to treat aging itself, rather than just the diseases that come with it, the Guardian reports. “Our study shows that aging may not have to proceed in one single direction," researcher Juan Carlos Izpisua Belmonte says. "With careful modulation, aging... More »

Optimistic Women May Live Longer

They appear less likely to die from common illnesses

(Newser) - When asked about their secret to aging, the world's oldest people often bring up not sweating the small stuff . In fact, optimism is associated with greater personal happiness, but could it impart biological benefits as well? Researchers at the Harvard School of Public Health suggest it's possible in... More »

For Women, Sex Gets Better With Age

'We were surprised,' say researchers after survey of middle-aged females

(Newser) - Women who have heard for years that they face a declining sex life can take heart in new research that says sex gets better with age. University of Pittsburgh researchers found that while the frequency of sex declines, the quality makes up for it. “We were surprised to find... More »

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,... More »

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... More »

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... More »

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... More »

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... More »

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... More »

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... More »

'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... More »

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... More »

'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... More »

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... More »

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