What If... We could stay young forever? 1/3

What if we could stay young forever? It may be a fantasy, but age management is big business and some people will stop at nothing to roll back the years. Pills, scans, injections, extreme diets and brain training - there's a vast array of apparent solutions on the market - but do they work and are they safe? Is age "reversal" possible? Peter Bowes investigates.

(Photo: A woman is covered with sheets of 24-carat gold, said to be effective for anti-aging care. Credit: Getty Images)