The U.S. Public Health Service currently recommends 0.7 mg/L, and the World Health Organization has set a safe limit for fluoride in drinking water of 1.5 mg/L
1.5 mg/L found a reduced iq in children
68 karma · joined June 18, 2022
1.5 mg/L found a reduced iq in children
this read like “ i got an apple watch, and i guess it needs an iphone to set it up but im an android guy”
The frequency range for AM radio is 540 to 1600 kHz
vs
30hz-15khz
Bass and fundamental frequencies really contribute to fidelity
How is this different than apple’s walled garden, or my email service, or nintendo digital downloads?
its about moving in next to a music club and complaining about noise