chemtrails denialism

Last month, Crikey released a guide to some of the most prevalent strands of science denialism. But in the age of fake news, there is plenty more pseudoscience populating the discourse. Here are some of the theories we missed, from the quackish to the outright bigoted.

Water fluoridation

What they believe: People believe a lot of things about water fluoridation. As early as the 1950s, it was being described as a communist plot to destroy America. Now, a number of harms are falsely attributed to fluoride, with opponents arguing it can cause cancer, make people dumber, and reduce fertility.