For years, doctors have been looking at the health impact of chemicals ADDED to our food.
But environmental scientists say we should ask more questions about chemicals SURROUNDING our food.
More than four-hundred synthetic chemicals are used in packaging and storing processed food.
But scientists say little is known about their effect.
Although we think of these chemicals as inert, scientists say most can leach into foods, giving us years of low-level exposure.
Some, such as B-P-A-- which keeps plastics soft-- can disrupt hormones, like estrogen.
Formaldehyde, which is a known cancer-causing chemical, is present at low levels in plastic bottles made of the plastic PTE.
The scientists are calling for more investigation.