How Overusing Antibiotics Is Affecting Our Acquired Immunity

Since the invention of antibiotics in the 1920s, they have been literal lifesavers. Antibiotics were invented by Alexander Fleming when he discovered that a mold could break down and kill bacteria. That mold was penicillium – the antibiotic now known as penicillin. It wasn’t available for use until the 1940s, but since then it has saved countless lives from bacterial...