More often then not, your symptoms (bell's palsy)are caused by endotoxins produced by anaerobic bacteria living inside pockets left after extraction of a tooth, or inside dead tooth (root canal), or living under crown covering half dead or dead tooth.
Also, Amalgam makes face and head weaker, adding to the problems caused by bacterial toxins.
It is a health of our intestins and our liver that makes our teeth healthy, and it is poor condition of our intestins and our liver that makes our teeth unhealthy.
So, that is your way to go ... get magnet pulser, Clarkia tincture and grapefruit seed exract and use all three at in the same time, (pulser on your teeth) and you will hopefully getrid of bad bacteria living deep inside ...