Vagus Nerve Stimulation Improves Severe Depression by 70%, Major US Trial Finds
(www.sciencealert.com)
I edited my comment and straight up said I had it wrong. You're getting upset with the wrong person. Use topical flouride, it works so well that it obscures the benefits of flouride in water. If you're not gonna use flouridated toothpaste or mouth rinses, then flouridated water is better than nothing