cancer and heart disease remains an open one. The position of the U.S.
been conclusively settled, based on a strong body of scientific evidence.
associated with an increased lung cancer risk.
a spouse and coronary heart disease mortality among nonsmoking women.
than 35,000 heart disease deaths every year in the United States.
established as a cause of lung cancer and heart disease in nonsmokers.
remains in doubt is simply inaccurate.