Alex Shikhman, MD (Rheumatology) at the Institute for Specialized Medicine in San Diego, CA believes the diversity of dietary approaches may have less to do with the impact on
FM, and more to do with treating a secondary, possibly undiagnosed illness. "When patients are helped by a specific dietary measure," says Shikhman, "it is often becuz of the presence of a secondary condition that does have a recognized response to diet.