My parents knew something was wrong from the age of two weeks onwards. I screamed for no apparent reason throughout the day and night for many months. My early life was complicated by the onset of severe eczema and a number of allergies including intolerance to dairy products. At the age of two-and-a-half I hit my head at the corner of a table raising a lump in the middle of my forehead. I recovered well but a week later my parents found me unconscious in bed and I was admitted to hospital. I had a fit s ..