The elixir of youth could lie in a bit of old-fashioned pedal power, according to a new study that suggests cycling could help keep you young.
The analysis of fit amateur cyclists aged 55 to 79 found that many were physically and biologically much younger than most people of the same age.
The results showed that among the cyclists the effects of ageing were far from obvious, with younger and older members of the group having similar levels of muscle strength, lung power and exercise capacity.
The researchers also tested reflexes, muscle and bone strength, and oxygen uptake, as well as mental ability and general health and well-being.
Professor Norman Lazarus, one of the researchers from King's College London and himself a cyclist, said: