>the low incidence of peanut allergies in developing countries https://en.wikipedia.org/wiki/Hygiene_hypothesis https://en.wikipedia.org/wiki/Hygiene_hypothesi

>the low incidence of peanut allergies in developing countries https://en.wikipedia.org/wiki/Hygiene_hypothesis https://en.wikipedia.org/wiki/Hygiene_hypothesis The human genome didn't evolve in a sterile environment, it evolved in an incredibly hostile environment and developed some nasty defenses as a result. If you don't expose children to pathogenic microbes at an early age to train the immune system on what to attack, it will find other things to attack. Allergies are the result. Stop the constant use of antibacterial hand gels and surface sanitizers and for bonus points get a dog.