I have dental fluorosis from them putting too much in the water when I was a kid, then giving it to me in school. Out here, at least they have enough people from all over the country that they have seen it before. Trying to keep a hygenist or dentist from scraping at my teeth endlessly is hard. My current dentist said he could paint my teeth with filling material to even out the color but at my age, I'm just used to the stripes.
Two words: conical nanohydroxyapatie. Use premio apagard from Japan. Don't put fluoridated anything in your body, especially drinking water. Get a berkey filter with berkfeld fluoride filters. Use turmeric extract/curcumin to de-calcify your pineal gland.
It matters regardless of how old you are, but especially keep kids and babies away from this neurotoxic jewish poison.
I'm in an apartment so nothing I can do about the shower but I have reverse osmosis filters on both the kitchen and bathroom sinks. I started avoiding fluoride as soon as I started college in the 90s using a distiller for all drinking water.
Good.