It's dangerous and deadly.
Just a pointer, the only real way to remove fluoride from water is to use a reverse-osmosis water filter. Unfortunately they're expensive, but worth it if you live in a fluoridated area. (They also remove almost all other added chemicals, bugs, contaminants, pesticides, bacteria, viruses, faecal residue etc too).
And good work whoever pointed Teflon out - stainless steel cookware guys, please!! Teflon is dangerous, and is now found in the majority of the population's bloodstreams in too high levels...
I've also just started a thread in the News & Events forum about how all manner of drug residues, including cancer drugs, have been found in British tap water.
Quote:
Traces of cancer and psychiatric drugs have been detected in samples of British tap water, according to a report commissioned by the drinking water watchdog group Drinking Water Inspectorate.
Despite extensive purification treatments used by water companies, trace levels of bleomycin, a cancer chemotherapy drug, and diazepam, a sedative, have both been found.
Doctors have expressed concern that exposing pregnant women to these drugs could harm their unborn children, even at the very low levels detected....
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We are a fever, we are a fever, we ain't born typical...