Fasting advocates

American writer (1878–1968)

American engineer, author and politician (1918-1993)

American writer (1860–1911)

American medical researcher (1866–1922)

British journalist, producer and presenter (1957–2024)

American medical writer (1895–1985)

Jasmuheen (born Ellen Greve; 1957.) is an Australian proponent of "pranic nourishment" or breatharianism, the alleged practice of living entirely without food and drink. She makes appearances at New Age conferences worldwide, has hosted spiritual retreats in Thailand and has released books and audio recordings. Her claims have been condemned by the scientific community as a dangerous pseudoscience.

British artist and suffragette (1864-1942)

American quack, fraud, swindler and serial killer (1867-1938)

nutritionist and author (1895-1976)

South African propagandist of Afrikaner nationalism, spy during the Boer War, prophet and writer on controversial health subjects. (1876–1964)

American physical culturist and magazine publisher (1868–1955)

German naturopath (1859–1936)

Austrian naturopath and alternative cancer treatment advocate (1899–1990)

Hungarian scholar (1905–1979)

American campaigner for medical innovation, marriage reform, and women's rights (1810-1884)

British parapsychologist (1880–1958)

German physician (1872–1945)

British born American physician

Austrian physician (1798-1856)

Entrepreneur, businessman, biohacker and author

American writer, philanthropist and activist (1792–1855)

U.S. physician

American plastic surgeon and television personality