The secret to staying youthful is eating chocolate and drinking red wine, researchers claim.

Scientists discovered both helped to rejuvenate old cells, making them look younger and start to behave more like young cells.

When we age, the strands of DNA in our cells gradually lose the protective telomeres, which that act like the plastic tips at the end of shoelaces.

The team applied compounds based on chemicals naturally found in red wine, dark chocolate, red grapes and blueberries to cells in the laboratory.

These foods are rich in flavonoids, which are known for their antioxidant and anti-inflammatory effects