Bisphenol A exposure linked to increased risk of future onset of heart disease

Bisphenol A (BPA) is a controversial chemical widely used in the plastics industry. A new study followed people over a 10-year time period and shows that healthy people with higher urine concentrations of BPA were more likely to later develop heart disease. But researchers "can't be certain that BPA itself is responsible" -- more research needed to determine whether the link is causal.