"Alternative or fringe medicine is any practice claimed to have the healing effects of medicine that is proven not to work, has no scientific evidence showing that it works, or is solely harmful."

"Acupuncture is a form of pseudoscience and alternative medicine involving thin needles being inserted into the body."

"Naturopathy or naturopathic medicine is a form of alternative medicine employing a wide array of "natural" modalities, including homeopathy, herbalism, and acupuncture, as well as diet and lifestyle counseling. Naturopathic medicine contains many pseudoscientific concepts and is considered by the medical profession to be ineffective and possibly harmful, raising ethical issues about its practice. Naturopaths and naturopathic doctors have repeatedly been accused of being charlatans and practicing quackery."

Chiropractic is a form of pseudoscience and alternative medicine[1][2] concerned with the diagnosis and treatment of unproven mechanical disorders of the musculoskeletal system, especially the spine, under the belief that such a disorder affects general health via the nervous system.