Exposure to Secondhand Cigarette Smoke Over a Lifetime Increases Breast Cancer Risk Later in Life; Cancer from the Kitchen?

Summary: The first report summarizes a longitudinal study of 57,000 women in the California Teacher's Study and determined that breast cancer risk increased with higher levels of exposure from secondhand cigarette smoke. The second report summarizes the potential risk from chemicals (leading to potential cancer risk) and concludes with the recommendation to avoid microwaving food in plastic or putting plastics in the dishwasher. Safe plastics are marked on the bottom of the container with the numbers 1, 2, 4, or 5. AVOID any container that has the number 3, 6 or 7.