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Aging

Muscles leg anatomy engraving 1886. Image credit: iStock

Childhood Trauma Linked to Poorer Muscle Function in Older Adults

fat molecule build up in cells seen under a microscope

Exercise can cut specific fat in cells that indicate aging

older Asian woman

Aldehydes a Hidden Culprit Behind Premature Aging

RNA molecules

Lifelong RNA Molecules Hold the Key to Long-lived Brain Cells

A living-tissue model developed by Dartmouth researchers showed that a fatal trauma killed younger oligodendrocytes (blue) within 24 hours, while mature cells (yellow) took 45 days to die.

Older brain cells linger unexpectedly before their death

sleepy young man waking up and looking older than his age

Sleepless Nights Aging You Faster than You Think

Accumulation of "junk proteins": normal cells (left) and cells subjected to the effect of the toxic arginine-rich protein (right). In the latter, ribosomal proteins (green fluorescent) and the size of nucleoli (red) are increased.

Accumulation of ‘junk proteins’ identified as one cause of aging and possible source of ALS

A molecule found in the keto diet plays a key role in preventing early memory decline in mice. The memory loss is comparable to mild cognitive impairment in the early stages of Alzheimer’s disease in humans. (UC Davis School of Veterinary Medicine)

Keto Diet Prevents Early Memory Decline in Mice

Fatty food before surgery may impair memory in old, young adults

Shortening of MC4R+ primary cilia in the hypothalamus of the brain leads to middle-age obesity.

Middle-age obesity is caused by changes in the shape of neurons in the brain

Hipster senior man with beard using laptop and woman watching

More schooling is linked to slowed aging and increased longevity

Middle aged couple

Does trying to look younger reduce how much ageism older adults face?

Participants in the Sharing History through Active Reminiscence and Photo-Imagery (SHARP) study, (OHSU/Kristyna Wentz-Graff)

Walking, reminiscing benefit brain health in older Black adults

An illustration depicting a diverse group of adults engaged in conversation, emphasizing various speech speeds.

May I have a quick word? Study shows talking faster is linked to better brain health as we age

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