John Cannell

John Jacob Cannell
Born (1948-06-21) June 21, 1948 (age 76)
United States
NationalityAmerican
Alma materUniversity of Maryland, College Park (B.S. in Zoology), University of North Carolina at Chapel Hill School of Medicine (M.D.)
Occupation(s)Physician, psychiatrist, non-profit founder
OrganizationsVitamin D Council, Friends for Education
Known forAnti-smoking activism, educational reform efforts, Vitamin D health hypotheses
Notable workResearch on educational testing discrepancies, advocacy on Vitamin D health benefits
FatherSkipwith Cannell (Imagist poet)

John Jacob Cannell (born June 21, 1948) is an American doctor. An anti-smoking activist, Cannell was featured in the New York Times in the 1980s for turning away smokers from his clinic in West Virginia. Cannell founded a nonprofit group to address perceived problems with educational testing. Cannell has described several hypotheses regarding the health benefits of Vitamin D and is the founder of the Vitamin D Council.