In studies, he gave subjects a chance to deceive for monetary gain while examining their brains in a functional MRI machine, which maps blood flow to active parts of the brain.

This would indicate that reparative therapy has the potential to help patients with advanced brain trauma to gain an improved quality of life.

So NPY produced in the brain initially makes you eat more and gain weight around your middle, and then that fat makes more NPY, which makes you eat more.