Of the 250 toxic chemicals found in secondhand (or “passive”) smoke, at least 50 are known to cause cancer. The Surgeon General says there’s no safe level of secondhand smoke and, according to the California Environmental Protection Agency, secondhand smoke causes an estimated 3,400 lung cancer deaths and 46,000 heart disease deaths among nonsmokers in the U.S. each year. Fortunately, most states now have strict laws about smok ... Jump to full article >>