Are you struggling with headaches or joint pain? Bothered by persistent fatigue? Suffering from digestive upset?

These may be symptoms of a little-known but relatively common sensitivity to gluten, a protein in certain grains. Gluten sensitivity can be the cause of the sort of vague complaints that doctors may not find a cause, as well as chronic conditions for which mainstream medicine may offer little hope of relief – including rheumatoid arthritis, chronic fatigue, Crohn’s disease, asthma and psoriasis.