Importance: No clinically applicable diagnostic test exists for severe mental disorders. Lipids harbor potential as disease markers.
The list of countries that contributed to this study is impressive! Russia, Germany, US, China, Iran.
As an aside, I was trying to take acetyl-L-carnitine (ALC) for my depression as an add-on to the antidepressant. And I noticed a recent study that says that in major depressive disorder (MDD) levels of ALC may be decreased.
Yet still, they are decreased as a mean value, in group comparison, while individual values in healthy persons may fall as low as in depressives.
So, no marker for depression yet in sight.