One thing you’ll notice from all science deniers is a tendency to overstate or overuse a fairly solid scientific principle inappropriately. The anti-vaccine crowd takes this to a whole new level. And what we’re going to discuss today is the hygiene hypothesis, which describes how early exposure to microorganisms may assist the immune system to avoid allergic reactions.
Although we’ll discuss the scientific evidence in support of the hypothesis later in this article, anti-vaxxers tend to abuse it. They conflate potentially beneficial organisms, such as the gut biome, with dangerous and deadly pathogens, like measles and polio. The former may be a critical component of the hygiene hypothesis, but the latter is not.
Time to tackle this scientifically controversial topic, and put to rest one of the tropes of the anti-vaccine religion that all germs are good. Continue reading “Hygiene hypothesis – what is it, and why the anti-vaccine religion abuses it”