Some doctors think people are too aware of their bodies, that they get over wrought, over anxious and create all sorts of illnesses and diseases that might be fictitious. Other doctors think people should know their bodies well so they can identify potential problems as early as possible. Tonic hits the streets to find out just well people think they know their bodies, with mixed results. Karen speaks to an expert about how best to monitor your own body, particularly important for people with a chronic illness. So what should people be looking out for?

Tonic TV |T-S014 I S02E03