About the Author

Dr Sarah Brewer is one of the UK's most prolific and respected doctor columnists. She is also the author of several health titles, including The Complete Book of Men's Health and High Blood Pressure for Thorsons. Michelle Berriedale-Johnson is the author of the Everyday Wheat-Free Cookbook and the Allergy Free Cookbook. Her newsletter, The Inside Story, is distributed to over 100,000 nutritionists, nurses and health advisers.