It took decades to prove that cigarette smoking causes cancer, heart disease, and early death. It took additional years to establish that secondhand smoke also kills. Now scientists are worried about another cigarette-related phenomenon: thirdhand smoke. Its real, and its ubiquitous. Without knowing it, indoor smokers have left a toxic legacy that continues years after their last butt was stubbed out.
Posted on: Mon, 24 Mar 2014 00:55:15 +0000