List of practitioners that can treat certain pains: * Chiropdist * Podiatrist * Chiropractor * Physiotherapist * Dentist * reflexologist * herbalist * Masseuse * Personal trainer * optometrist * Psychiatrist * Dietician * Nutritionalist

Practitioners in a discipline tend to use specialized language in their writing in part to convey complex concepts more efficiently, establish credibility within their field, and communicate with precision among peers who share a common understanding of terminology and concepts.

Nurse Practitioners practice in all 50 states. There are no states that do not recognize nurse practitioners.

College of Practitioners of Phytotherapy was created in 1991.

Emerging Practitioners in Philanthropy was created in 2001.