The number of once popular ideas that were subsequently discredited and (mostly) abandoned is endless, especially in the realms of science and health. Let’s take a look at some of the most significant and relatively modern ideas, who proposed them, how did they spread, why were they so appealing, what harm did they do, and why did they eventually end up in the dustbin of history. Then, let’s speculate on some currently popular ideas that we think may sooner or later reside in the dustbin too.
