Why do we have allergies? Why haven’t humans evolved past them? Why are allergies becoming more common than ever before? The lack of parasites, the decrease in breastfeeding, and the increase in urban pollutants are all factors that lead to allergies. Why we have allergies is unclear but scientists have developed many theories as to why allergies exist. Keep reading to learn more about why we have allergies.
Why Do We Have Allergies? Evolution Can Explain
