Changes to the bacteria that live inside all of us are responsible for increasing the number of people with allergies, suggests new research. The programme investigates this claim by conducting a unique experiment with two allergic families in order to find out just what it is in the modern world that is to blame.
Episode 2 – exposes how the industrial revolution opened the floodgates for highly-processed convenience foods that became "our daily bread." But those pseudo-grains are known to contribute to chronic disease. Natural, whole grains support longevity and lower the risk of heart disease. Grain of Truth also explores the debate over gluten as a dietary evil.