If you receive an e-mail with a warning about ANYTHING, it is likely that it is a hoax.
Most recently I have received the cell phones causing fires at gas pumps mail.
OK, once again, here is the website to checkout ANYTHING you might have a question about:
http://www.snopes2.com
PLEASE check this website before you mindlessly forward an e-mail, please-please-please-please-please check this website first.