Not sure what to make of this statement. Believe what you want (good for you if it seems to work), but it sounds a bit like you're overstating the impact of the

Not sure what to make of this statement. Believe what you want (good for you if it seems to work), but it sounds a bit like you're overstating the impact of the placebo effect. a) It works best, when doctors take their time to prescribe it, even if you know it's a placebo. There are studies about two groups where one receives a placebo and the other a placebo and a 10 minute talk. The latter had better outcomes. b) The placebo effect works best, if used with symptoms of pain. This is the most-studied use-case for placebos. With a virus infection like a cold, not so much. See c) c) Supplements like vitamin C generally speaking don't seem to really help when a cold is coming. As long as you have a healthy diet, supplements aren't required and don't really have a positive effect on your health. Maybe some stuff makes you feel slightly better, but it doesn't make the infection go away. d) Not every cold breaks out. Sleeping helps a lot.