The use of plastic as a container for food and drink is said to be one of the causes of excess hair fall, hypothyroidism and obesity among some of the many illnesses that are caused by plastic in daily life. Interesting read:
http://www.newindianexpress.com/lifestyle/health/Purge-the-Plague-of-Plastic/2015/10/31/article3103822.ece
http://www.newindianexpress.com/lifestyle/health/Purge-the-Plague-of-Plastic/2015/10/31/article3103822.ece