This is not a SFW instance. NSFW communities will be tagged, and efforts will be made to keep SFW communities clean, but proceed at your own comfort level.
Decade-long research strengthens the evidence linking drinking water to lithium exposure and establishes urinary lithium as a reliable measure of long-term environmental exposure.
Natural fluoride is associated with better dental health, so I’d imagine it is associated. (Within safe levels, of course, just like how too much fluoride turns your teeth brown and gives you brain damage.)
Natural fluoride is associated with better dental health, so I’d imagine it is associated. (Within safe levels, of course, just like how too much fluoride turns your teeth brown and gives you brain damage.)