Shelia Buff is the author or co-author of many books on medicine, health, and nutrition, including The Complete Idiot's Guide to Vitamins and Minerals, The Good Fat, Bad Fat Counter, and Dr. Atkins...view moreShelia Buff is the author or co-author of many books on medicine, health, and nutrition, including The Complete Idiot's Guide to Vitamins and Minerals, The Good Fat, Bad Fat Counter, and Dr. Atkins' Age-Defying Diet.view less