Highly recommend reading the actual literature on its effects in regard to cystic fibrosis, pancreatitis, COPD, neurodegenerative disorders, high blood pressure, ulcers, IBD, liver and kidney problems, OCD...
The list goes on at a pretty extreme length, and it sounds too good to be true, but the papers are out there.
For those who don’t want to wait and have someone they love who can benefit from this, simply massaging the lymph nodes in the neck 10 minutes a day also significantly increases flow through these lymph nodes and thereby increases drainage of lymph from the brain.