Explore the top five health myths in this TEDMED Great Challenges talk. Discover the truth behind common misconceptions about vaccines, strokes, heart attacks, calorie intake, X-rays, and daily health routines. Learn how these myths spread, the role of social media in disseminating or debunking health information, and strategies for doctors to help patients practice effective preventive care. Join health experts as they discuss popular health myths, their impact on preventive care, and the importance of staying informed about current medical research. Gain insights from a panel of distinguished guests, including health journalists, internists, epidemiologists, and medical professors, as they address various topics such as blood clots, vaccines, nutrition myths, scientific misconceptions, and the challenges of communicating science effectively.