Too much mercury in one's diet from any source can cause loss of coordination, blindness or even death.

CNN: Beware of shark meat, FDA warns

"Being able to feel the effects of tiredness, loss of coordination and even passing out or vomiting are the body's defenses against consuming doses of alcohol that will kill you, " professor Ken Briggs said.

CNN: 'Blackout in a can' blamed for student party illnesses

And I think, as you know, over the past year, this administration, working with the -- the military has taken extraordinary steps to reduce the loss of innocent life in our operations undertaken by both ISAF forces and Afghan forces in coordination.

WHITEHOUSE: Press Briefing