Too big a price to pay for decelerating your epigenetic clock?If you're a gentleman looking to counteract the effects of ageing, a new study on sheep may have the answer – but you're going to have to say goodbye to your family jewels in return for a slowdown of your DNA's ageing process."Both farmers and scientists have known for some time that castrated male sheep live on average much longer than their intact counterparts," explained first author Victoria Sugrue, an anatomy PhD student at the University of Otago. "However, this is the first time anyone has looked at DNA to...