January 2022

IT CAN BE DIFFICULT to get any enjoyment out of a cozy mug of hot cocoa or a tall glass of iced tea if every sip comes with a jolt of pain from tooth sensitivity to cold or hot liquids. An eighth of the U.S. population (including kids!) deals with some level of painful tooth […]

RADIATION AND THE harm it can do to humans wasn’t well understood in the early years after it was discovered. There were all kinds of exciting radioactive products for the public to buy, from radioactive water jugs to children’s toys to butter to…toothpaste.   Thorium Toothpaste in 1920s Germany A hundred years ago, the German