Caution is fine, the hype is getting old. I'm tired of people literally yelling at me and insulting my intelligence because I refuse to throw away my perfectly good Nalgene bottles that are pre-"BPA free" era and I refuse to make it a personal major issue when shopping for things. I find it especially aggravating and intrusive since there is very little (if any) evidence that NORMAL USE will cause me any harm.
And for entertainment and illustrative purposes I submit the following:
http://www.dhmo.org/facts.html