Tag
Aging
Page 21 of 23
Sleep and exercise curbed mutant blood stem cells
A Nature study combining human data and mouse experiments found that exercise and unbroken sleep restrained the spread of age-related blood cell mutations, but only for some mutations.
Jul 25, 2026
Air pollution tied to worse memory at 'safe' levels
A McMaster study of 6,878 middle-aged Canadians found higher everyday exposure to particle and traffic-gas pollution tracked with worse memory and mental speed, and small signs of brain injury on scans, even where the air is rated clean.
Jul 23, 2026
Loneliness was tied to a higher risk of heart valve disease
Across 462,917 UK Biobank adults tracked for about 14 years, those who felt lonely had a higher risk of degenerative heart valve disease. Living alone or being socially isolated did not carry the same risk.
Jul 23, 2026
Organ age clocks: a blood test for 40 cell types
Stanford researchers measured 7,000 blood proteins in 60,542 people to estimate the biological age of more than 40 cell types. Aged cells flagged Alzheimer's, ALS and lung cancer risk years ahead. It is a research tool, and an estimate.
Jul 23, 2026