Avoid PVC Plastic
Several harmful chemicals are produced in the manufacturing or disposal of plastic #3, such as lead, DEHA and vinyl chloride. These can lead to various health risks, such as birth defects, hormone disorders and cancer. We can also consume these chemicals after they work their way into the environment. Learn more from this PDF from PBS. It is best for your health to avoid plastic #3.
Don't Cook With Plastic #3
Due to its adverse health effects, plastic #3 should be kept away from heat and not used to store food. Common objects made with plastic #3 include crystal or cling wrap, cooking oil bottles and some clear food packaging.