"If someone already has brain damage and then stimulates it with electromagnetic exposure from a cell phone, it could trigger something dangerous, " Volkow said.

CNN: Cell phone exposure increases brain cell activity

Mr. SIEGFRIED HECKER (Former Director, Los Alamos National Laboratory): The bottom line of the Non-Proliferation Treaty--in fact, of the proliferation world--I think, could be simply stated by the more fingers on the nuclear trigger, the more dangerous a world it is for everyone.

NPR: Nuclear Weapons Gain Importance for Regional Powers

That can increase the risk of dangerous overdoses, and worsen or even trigger substance abuse problems.

MSN: Boomers will be in need of mental health care, report finds