Although I just play the role of a scientist on the internet, my father actually is one. As well as being a medical doctor, he is a retired professor of biophysics. I am telling you this because he has recently co-authored a book on a subject that might interest readers of ScienceBlogs: fluoridation of human water supplies. The book is entitled “The Case Against Fluoride: How Hazardous Waste Ended Up in Our Drinking Water and the Bad Science and Powerful Politics That Keep It There” and you can read a detailed review of that book here [PDF]. At my request, he has written up a guest post outlining the arguments he and his co-authors make in much greater detail in “The Case against Fluoride” and says he will be checking the comments in case there are questions. So, without further ado, take it away Dad! Participants in this blog will be familiar with at least one struggle between science and science-deniers in the context of a man-made disaster, where material interests and greed and reluctance to face responsibility and fear of legal liability all lie in the background. That’s the drama of climate change. Well, here’s another one for us: fluor...