Fluoridation of public water sources remains controversial as a public health measure despite the strong evidence that fluoride prevents tooth decay. Harriet Hall, M.D. examines the evidence and the arguments for and against water fluoridation to see what holds up to scrutiny.
In Science Salon # 99 Michael Shermer speaks with Bobby Duffy about his research into public perception across more than 40 countries, offering a sweeping account of the stubborn problem of human delusion: how society breeds it, why it will never go away, and what our misperceptions say about what we really believe. PLUS: Harriet Hall, M.D. examines the evidence and the arguments for and against water fluoridation to see what holds up to scrutiny.
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