And as Forbes contributor David DiSalvo noted recently, a plethora of studies on omega-3s and mental health have found benefits but definitive links between omega-3s and brain health have yet to be established.

FORBES: Military Study: Can Dietary Supplements Prevent Soldier Suicides?

Beyond their basic evaluation of soldiers and veterans considered at-risk of suicide, the researchers are also interested in determining whether all soldiers (and, perhaps, some civilians) would benefit from some level of omega-3 supplementation to ward off mental health problems.

FORBES: Military Study: Can Dietary Supplements Prevent Soldier Suicides?