Right now, it’s politically hot to spit out fluoride. Health Secretary Robert F. Kennedy Jr. has long railed against fluoride in public water supplies, claiming that it correlates to lower IQs in kids ...

You might want to add a disposable toothbrush to your race day packing list.

Studies show that toothbrushes and dental floss may release microplastic particles. Is the risk serious? And how can exposure to the dangerous substance be reduced.