The MUST listen to Scientific PROOF via Biophysics that Fluoride (the rat poison mitochondria toxin called Fluoride) that is put into your city tap water is harmful, and which also changes the water dielectric constant from 70 to a harmful 170. YOU will NOT be well (see 29 minutes) as fluoride causes gleocell to have a lower redox and is pushed down so you canít repair the damaged powercells in your body in your older age, so you get sick, if you take tap water or toothpaste. https://www.youtube.com/watch?v=YxerfsaEPYs