It is the leading reason people go to the doctor — and the Institute of Medicine, part of the National Academy of Sciences, reports it affects 100 million American adults, more than the total affected by heart disease, cancer and diabetes combined.
It is the leading reason people go to the doctor — and the Institute of Medicine, part of the National Academy of Sciences, reports it affects 100 million American adults, more than the total affected by heart disease, cancer and diabetes combined.