This Animated Explanation Of Gluten Is Exactly What The Doctor Ordered

The “nocebo effect” has been previously covered.

The “Nocebo Effect” Can Trick Us Into Actually Dying

Mind over matter…

The “nocebo effect” is like the placebo effect, except in reverse. Whereas placebos trick people into feeling better, “nocebos” are things that make people feel worse, even though they don’t really exist. They can even kill people! Here’s how we can trick ourselves into dying, and how doctors may have found a cure.

Source: How The “Nocebo Effect” Can Trick Us Into Actually Dying

We’ve seen this in numerous aspects – WiFi sickness (not real), those who claim issues relating to gluten (as opposed to those who actually are sensitive/allergic)…  A lot of chemical intolerance tests do show this as well.