What happens if people not suffering from Celiac disease follow a gluten-free diet?

No it's not. As soon as you've clarified everything with the doctor and moved to a gluten-free diet, you must stick to it to see positive changes. Gluten/wheat sensitivity is a distant relative with symptoms and characteristics which are very similar...

The worst symptoms will disappear as soon as you start eating a gluten-free diet. You will feel noticeably better relatively quickly. Your doctor will determine everything else.

DH, also known as ”Duhring’s Disease”, is a particular variant of the celiac disease that can also be cured by a strictly gluten free diet. It is recognized by the red pustules and blisters that appear on the elbow, knee, buttocks, neck, shoulders...

In many cases of persons with autism, poor digestion of casein (milk protein) and of gluten, produce two opiates (substances with stupefying properties, just like heroine and morphine) which enter into the circulation and poison the nervous system...

At this point, there is no known cure through which a celiac could once again eat foods containing gluten without damage to the intestinal mucous membrane. The only solution is a gluten free diet.