Aging

Methuselah, the oldest fish living in an aquarium, was transported to California in 1938.

Methuselah, the World's Oldest Living Aquarium Fish, Could Be More Than 100

Using a new and noninvasive technique, researchers analyzed the DNA of 33 lungfish in institutions across the U.S. and Australia to determine their ages

Smoke rises from buildings destroyed in the town of Lahaina last week by the Maui wildfires. A new study ties long-term exposure to smoke from wildfires to increased risk of dementia.

Long-Term Wildfire Smoke Exposure Linked to Dementia Risk, Study Finds

Among nine sources of particle pollution, fires and agriculture had the strongest link to dementia, according to a new analysis of a national survey

Scientists are investigating how blood cells or other parts of blood might be responsible for aging.

Old Mice Could Live Longer by Sharing Young Blood, Study Finds

After surgically attaching pairs of mice, scientists suggest the procedure could rejuvenate the older individuals, slowing their aging

A woman with long Covid, suffering symptoms including extreme fatigue and brain fog, rests on her couch on February 3, 2022.

Long Covid's Brain Fog Is Akin to 'Aging Ten Years,' Study Finds

Scientists tested the cognitive function of more than 3,000 participants and found those with longer-lasting Covid symptoms had the strongest decline

Permafrost melts into the Kolyma River outside of Zyryanka, Russia, in 2019. The worms in the new study seem to have survived buried deep in the permafrost for tens of thousands of years.

Scientists Revive 46,000-Year-Old Roundworms From Siberian Permafrost

The nematodes had survived in a state of slowed metabolism called cryptobiosis, according to a new paper

An orca mother travels alongside her son. Older orca females past their reproductive years often lead their pods on hunts.

Aging Mother Orcas Keep Their Sons Out of Fights

In a new study, male orcas with mothers that had gone through menopause showed less tooth scarring on their fins compared to other males

Researchers estimate the states with the highest rates of Alzheimer's disease are Maryland, New York and Mississippi.

Here's Where the Highest Rates of Alzheimer's Are in the United States

A first-of-its-kind report estimates Alzheimer's disease prevalence in 3,142 counties across the nation

Roughly six million Americans have Alzheimer's disease.

FDA Fully Approves First Drug Meant to Slow Alzheimer's Disease

The drug showed promise in an 18-month clinical trial, but some experts have expressed concerns about its safety and cost

Lee Wan-kyu, South Korea's minister of government legislation, holds a whiteboard showing his Korean age alongside his international age.

South Koreans Just Got Younger, Thanks to a New Law

The country previously had three distinct systems for determining age, often leading to confusion

North Carolina's Camp Lejeune in 2017. From 1953 to 1987, the drinking water at the base was contaminated with a number of chemicals.

Common Chemical Strongly Linked to Parkinson's

Service members stationed at Camp Lejeune, where water was contaminated, had a 70 percent greater risk of developing the movement disorder, new study finds

One of the study's participants was Woofus, a 15-year-old basset hound mix.

Older Dogs With Dementia Sleep Poorly—Just Like Humans

The findings may help veterinarians and pet parents identify canine cognitive decline

Stress can contribute to a number of health problems, such as high blood pressure, diabetes and depression.

Stress Can Age You, but It Could Be Reversed, Study Says

While stressful events like surgery and pregnancy can raise biological age—which is linked to health risks—the change may not be permanent

Sister André, born Lucile Randon in 1904, died on January 17, 2023, at the age of 118.

World’s Oldest Known Person, a French Nun, Dies at 118

Sister André survived both world wars, the 1918 influenza pandemic and even a Covid-19 diagnosis at the age of 116

A growing movement is underway to halt chronic disease by protecting brains and bodies from the biological fallout of aging.

Could Getting Rid of Old Cells Help People Live Disease-Free for Longer?

Researchers are investigating medicines that selectively kill decrepit cells to promote healthy aging

Innovators may want to create soft robots that more accurately replicate the dynamics of an elephant’s trunk.

Seven Scientific Discoveries From 2022 That May Lead to New Inventions

Nature is a breeding ground for innovative solutions to everything from aging to plastic pollution

A brain scan of a person with Alzheimer's disease

Second Death Tied to Experimental Alzheimer’s Treatment

While the new drug is seen as a breakthrough, these deaths highlight a possible risk to patients on blood thinners, experts say

As of October 19, 10,991 people are waiting for a liver in the United States. Further research into long-lasting livers could expand the transplant pool.

Transplanted Livers Can Survive Past 100

These organs that live for more than a century could raise the age of potential donors, perhaps shortening waits for the life-saving procedure

Dementia affects an estimated 55 million people around the world. Alzheimer's disease is the most common cause of dementia.

Alzheimer's Drug Shows 'Most Encouraging Results' Yet in Clinical Trial

The medication aims to clear destructive plaque from the brain and slow cognitive decline

Immortal jellyfish (Turritopsis dohrnii) are smaller than the nail on your pinky finger.

‘Immortal Jellyfish’ Could Spur Discoveries About Human Aging

After reaching maturity, these deep-sea creatures can revert to a juvenile stage and repeat their life cycle

Most individuals born male have an X and a Y chromosome, while those born female have two X chromosomes. 

Loss of Y Chromosome in Mice May Lead to Heart Failure

A new study suggests the same loss in humans may lead to increased mortality

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