Portland Uses Science and Integrity to Defeat Fluoridation the headlines read, accompanied by photos of cheering crowds and bright, smiling faces. Residents of Portland, Oregon, have successfully voted against a recently proposed water fluoridation program, keeping more than a half million Americans safe from the potentially toxic side effects of fluoridated water. Residents voted against the fluoridation proposal 61% to 39%, sealing what many are calling one of the most significant victories against the controversial practice to date.
There has been limited research on fluoride’s possible effects on the reproductive system. However, there is recent research that suggests that fluoride can cause toxic effects to human cells, reduce circulating testosterone, reduce the overall fertility rate and alter reproductive hormones. More research is needed to determine what dose of fluoride can cause these effects.