The diversity of microbes in the gut could affect a person’s fitness and their biological age. Better understanding this may one day lead to probiotics that alter the gut’s microbial make-up to promote health.
Zsolt Radak at the Hungarian University of Sports Science and his colleagues studied 80 amateur rowers, aged 38 to 84, who participated in the 2019 World Rowing Masters Regatta in Velence, Hungary.
The …