David Marcinek: Improving muscle endurance to age better

Muscle endurance can be improved, in older adults, without physical exercise, according to the results of a new clinical trial. Scientists in the US and Switzerland say their research suggests supplementation with a gut metabolite, known as urolithin A, may counteract age-associated muscle decline. This is significant as a potential intervention that could slow the onset of frailty in older people, and prolong healthspan. The study, sponsored by the Swiss life scienc...