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Image of the Day
Can Young Stem Cells Make Older People Stronger?
Shawna Williams | Dec 11, 2017
Small trials using younger donors and elderly recipients hint that mesenchymal stem cell transfers might reduce frailty.
Dolly’s Cloning Likely Didn’t Cause Premature Aging
Katarina Zimmer | Nov 24, 2017
A new analysis of Dolly’s skeleton suggests the cloned sheep’s arthritis did not lead to her death.
Telomere Length and Childhood Stress Don’t Always Correlate
Katarina Zimmer | Nov 17, 2017
Shorter telomere length is widely considered a manifestation of stress in young children, but the results of a new study find it’s more complicated than that.
Genetic Mutation in Amish Linked to Longer Life
Katarina Zimmer | Nov 16, 2017
Mutations in both copies of
can result in blood clotting disorders, but carriers might enjoy longer lifespan and health benefits.
Image of the Day: Mitochondria, Live and in Color
Staff | Sep 27, 2017
Mitochondria age differently depending upon whether they’re located in the liver, heart, or kidney, scientists find in flies and mice.
A Potential Remedy for the Aging Brain
Aggie Mika | Aug 8, 2017
In mice, injected fragments of a naturally occurring protein boost memory in young and old animals and improve cognition and mobility in a model of neurodegenerative disease.
Company Sells a “Biological Age” Kit
Diana Kwon | Aug 2, 2017
While the epigenetic clock is a useful tool for research and has solid scientific backing, scientists say the product’s use to consumers is limited.
Stem Cells in the Hypothalamus Slow Aging in Mice
Ashley P. Taylor | Jul 26, 2017
Once implanted into animals’ brains, neural stem cells that secrete microRNA-containing vesicles seem to contribute to an anti-aging effect.
Evidence for Human Lifespan Limit Contested
Diana Kwon | Jun 28, 2017
Five groups of scientists criticize a widely publicized
paper from 2016 suggesting that humans can only live up to 115 years.
Mutation Linked to Longer Life Span in Men
Jef Akst | Jun 19, 2017
A deletion in a growth hormone receptor gene is tied to an average of 10 extra years of life among men, but not women, according to a study.