A federal judge on Tuesday focused attorneys on questions about the amount of fluoride that may harm children’s developing brains as he prepares to rule on whether the mineral is so risky the EPA must tighten its drinking water restrictions.

Senior Judge Edward M. Chen, of the US District Court for the Northern District of California in San Francisco, asked attorneys to focus in on more than a dozen scientific questions on the final day of a two-week trial.

Some attorneys previously have said the court’s decision to review a broad range of science about the mineral without deference…

Original article online at https://news.bloomberglaw.com/environment-and-energy/judge-drills-into-science-about-fluorides-harms-as-trial-ends