Nigel Barnes, a fifth-generation horologist, acknowledges that it is a “tall order” to learn to fix a clock in two days. But some manage it, he said. Nigel Barnes working with Seán Martin, who had ...

Share on Pinterest Can we alter our body clocks to ensure a healthier aging process? Image credit: miniseries/Getty Images. Circadian rhythm is the 24-hour internal clock that regulates a person’s ...