There’s no doubt that the prevalence of both allergies and autoimmune diseases has been increasing in developed countries since the 1950s. Allergies are a heightened or altered reactivity of the body’s immune system to external substances (“allergens”) while autoimmune diseases arise from an abnormal immune response against substances and tissues …
After their discovery in the 1940s, antibiotics considerably reduced illness and death from bacterial infectious disease. Antibiotics are still essential today for treatment of serious bacterial infections where life is threatened. However, over the decades bacterial infections throughout the world have become more resistant to antibiotics. This is partly due …