If you only wear it occasionally, and for a short while, it shouldn't do tooo much damage. If you do it too often, it can indeed do damage. To your reproductive organs and your digestive organs.
wearing one for a prolong period of time can rearrange your organs n change the shape of bone in weird ways.
it did for a long time...It's deformeing your body and could hurt your lung
Broken ribs over time, muscles loss, flabby skin with the cost of great looking boobs.