from the worth-looking-into dept.
An anonymous reader writes "For the first time, researchers have found that a chemical in the brain called glutamate is linked to suicidal behavior. While previous research and drugs have targeted serotonin to fight severe depression, this study shows that more attention should be paid to this chemical."
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.