Human exposure to bisphenol A (BPA) has recently been linked to negative health claims, like a decline in reproductive function in adults and stunted neurodevelopment in children, and so people consumed with the 'natural' fallacy have been up in arms about it.  It hasn't quite become 'BPA causes autism' hysteria, like they did with vaccines, but it is getting close. 

Naturally, companies have listened to the nocebo worries of the natural-obsessed and dutifully created BPA-free products and charged more money for them.

Do you think pharmaceutical companies are creating problems that don't exist in order to keep selling drugs to an increasingly over-medicated population? Do you think scientists are unethical if they work at a corporation like DuPont or in nuclear science, rather than being funded by the government?

Such beliefs have become so increasingly mainstream among a particular political and cultural demographic that we can quite easily make lots of accurate determinations about them, the same way we can infer things about someone if they don't buy into global warming.

David Perlmutter, MD, became well-known last year as the best-selling author of Grain Brain, which demonizes wheat (and, of course, gluten) and he recently claimed that simple dietary changes would prevent half of Alzheimer's cases.