Alternatives to conventional medical care are increasingly popular in the United States, and their growing use by consumers represents a major trend in Western medicine. Alternative therapies appear to be used most frequently for medical conditions that are , such as back pain, , sleep disorders, headache, and digestive problems. Surveys of U.S. consumers have shown that more people visit alternative practitioners each year than visit conventional primary-care physicians. Consumers do not necessarily reject conventional medicine, however. Many simply feel that alternative modalities offer complementary approaches that are more in line with their personal health philosophies.