Depression /anxiety is a no.1 brain symptom of mercury toxicity, but don't blame the garlic, it may just be showing you the true problem.
Sorry to hear it , Norman, its an all too common story.
My mental health improved overnight with the PROPER removal of hidden amalgam, I thought I had had it all out years before and was confused as to why I never felt better, the uniformed previous dentist only buried it. It's been a long and expensive road, but ultimately worthwhile.
Here is a good site for general info, but be warned, it's got a very strong Christian bias, but some are smarter than others with it,
http://herballure.com/ubbthreads/ubb...tlist&Board=13
I eat garlic now with no discernble bad effects other than I STINK