Acupuncturists are alternative medical professionals who use needles to stimulate certain parts of the body. It is meant to relieve pain, promote healing, and improve physical, mental, and emotional health and well-being. Acupuncturists stimulate certain points in the body that trigger the nervous system to release chemicals that produce a desired effect. Acupuncturists may also be trained in other areas of medicine. Doctors who also practice acupuncture are called medical acupuncturists.