Medical school professor explains why we have serious reasons to review vaccine policy

Jeff Hays Films Terry Wahls, M.D. I’m often asked the question about vaccines and I can make some observations and raise more questions. There’s interest, a lot of growing enthusiasm for the Hygiene Hypothesis. The Hygiene Hypothesis: A lack of early childhood exposure to infectious agents, symbiotic microorganisms and parasites, increases susceptibility to allergic diseases […]