Black tea may have too much fluoride

By Dr. Jerry Gordon Calkins Media, Inc.
It is well known that fluoride helps prevent cavities. But like many things in life, you can have too much of a good thing. A recent article in Medical News Today (July 2010) has shown that black tea may contain fluoride in greater concentrations than previously thought. High concentrations of fluoride can lead to chalky white or brown discolorations, pitting of the teeth called dental fluorosis (in children) and skeletal fluorosis, which causes pain in the joints and can damage the bones....