That is really because we don't actually understand the human body, and how it reacts to various stimuli.

We used to think stress caused ulcers, based on a correlation. We now know the actual cause is a bacterium.

Yes, sometimes we are right, sometimes we are wrong.

	▲	awesome_dude a day ago \| parent [-]
		Which is more damaging to society? Having things that are wrong, but we don't know any better, or having things that are right, but we don't have the skills to prove it? We often laugh how people in times before thought "crazy" things about health maintenance, but we're no better.