Wouldn’t it be wonderful if there was an elixir of youth? We already know that things like exercise and a low calorie diet can keep us looking and feeling younger longer, but research at the world famous Mayo Clinic in Rochester Minnesota has found the biological equivalent of grumpy old men inside human tissues which seem to make the tissue age – and they might be able to be vacuumed out.

Tonic TV | T-S094 | S03E13