Healing. You might "rub it better" when achild scrapes a knee: but what can you do to speed up the skin's healing process? Honey has been used as a medicine forthousands of years and scientists are now exploiting its properties to treat wounds and burns. And, if the injury is a broken bone, what can be done to help the bone knit together? Dr Graham Easton uncovers the latest research in healing. Producer Paula McGrath
E-MAIL: radioscience@bbc.co.uk Repeated tomorrow 4.30pm