TRICLOSAN is a very popular anti-microbial added to many commercial soaps, and widely used in schools and restaurants. Beyond the huge problem of unbridled use of antibiotics creating monstrously dangerous “super-bugs” (think: necrotising fasciitis, and now, recently, gonorrhea has recently become resistant) it seems that Triclosan interferes with calcium uptake in muscle tissue, including the heart muscle, and can cause heart attacks in mice and reduced swimming speed in juvenile fish. Read more here.