William Cortvriendt

William Cortvriendt is a medical doctor, bestselling author, columnist, and speaker who is self-employed.1 He has written several popular books on health and lifestyle topics, including "Hoe word je 100" (How to Become 100), "Lichter" (Lighter), "Kankervrij" (Cancer-free), and "Het handboek bij kanker" (The Handbook for Cancer).1

Cortvriendt is known for his expertise in lifestyle medicine and cancer prevention. He has been referred to as "The Godfather of Lifestyle books" in some circles.2 His work focuses on the impact of lifestyle choices on health, particularly in relation to cancer prevention and treatment.

As an author and speaker, Cortvriendt shares his medical knowledge and insights through various platforms. He has been featured in podcasts discussing topics such as the fight against cancer and the influence of lifestyle on health.3 His approach combines medical expertise with practical advice on how individuals can take control of their health through lifestyle modifications.