1. Hans Diehl was an American nutritionist and Seventh-day Adventist, best known for his advocacy of lifestyle medicine and whole food plant-based nutrition.

1. Hans Diehl was an American nutritionist and Seventh-day Adventist, best known for his advocacy of lifestyle medicine and whole food plant-based nutrition.
Hans Diehl was the founder of the Complete Health Improvement Program.
Hans Diehl credited his early interest in healthy lifestyle to the Seventh-day Adventist Church.
Hans Diehl was inspired by the research of Denis Burkitt and Nathan Pritikin who he had met and worked with.
Hans Diehl was concerned that Pritikin's program was only available for those who could afford it so in 1988 he founded the Complete Health Improvement Program, a comprehensive lifestyle intervention that advocates a whole-food plant-based diet and incorporates the importance of exercise, kindness and sleep.
Hans Diehl stated that CHIP is not "ideologically structured as a vegetarian or vegan program" but based on lifestyle changes.
Hans Diehl obtained a Master of Public Health and Doctor of Health Science from Loma Linda University in 1975.
Hans Diehl was a professor of preventative medicine at Loma Linda University School of Medicine.
Hans Diehl established the Lifestyle Medicine Institute in Loma Linda, California which enhanced knowledge of the role lifestyle plays in health.
Hans Diehl was a speaker at the 35th World Vegetarian Congress in 2002.
In 2015, Hans Diehl was inducted in the North American Vegetarian Society's Vegan Hall of Fame.
Hans Diehl's books have been translated into 36 languages and over two million copies sold.
Hans Diehl died from an AFib-related stroke at Loma Linda University Medical Center on 2 August 2023, aged 77.
Hans Diehl was married to Lily Pan Diehl a pianist and singer, they had two children.