Bisphenol A and others: uncertainty and the principle of "do you need it?"

http://well.blogs.nytimes.com/2014/12/08/bpa-in-cans-and-plastic-bottles-linked-to-quick-rise-in-blood-pressure/?

This issue is very complex because:
1/ there are also endocrine disruptors in nature as isoflavones
2/ Low dose or ultralow doses of endocrine disruptors are difficult to study in human
3/ No RCT are ethical
5/ rat or other animal studies are not proofs

Example:

Où trouver des plastiques à effet endocrinien