Tag
Exercise
Page 9 of 10
Exercise kept older muscle young at the molecular level
A Nature Aging study of muscle samples from young and older adults found that half the molecular differences normally caused by age were simply absent in older people who had trained for years.
Jul 25, 2026
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
A blood 'fitness signature' tracked much lower death risk
A pattern of blood molecules that mirrors physical fitness tracked much lower death and disease risk across about 354,000 UK Biobank participants over nine years. The pattern travels with fitness; shifting it may not change outcomes.
Jul 24, 2026
Exercise twice a week tracked with lower dementia risk
In 9,714 older Americans, those keeping up at least moderate activity - roughly 20 minutes, twice a week or more - were less likely to develop dementia. Less frequent activity showed no clear benefit. It points to a link, not proof.
Jul 21, 2026