The best information comes from the doctors and scientists that study disease. That information is reported in medical journals and through the CDC and the FDA. Avoid anyone who tells you the experts are lying or that the truth can only be found on their online video. Science deniers often use “fake” experts to fool you. A fake expert looks legit at first, but if you look deeper, you’ll realize that they aren’t experts in the right area. John Cook wrote a great explanation of fake experts if you want to learn more.