Tag: tapeworms

Humans evolved in an environment where they were exposed to animals, dirt, and a variety of pathogens and parasites. Our immune systems evolved to cope with that environment. Now most of us live in a different environment, with safe drinking water, flush toilets, food inspection, immunizations, and public sanitation. This… read more "Worms, Germs, and Dirt: What Can They Teach Us About Allergies and Autoimmune Diseases?"