Can bell's palsy be caused by lots of stress?

Bell's Palsy: Stress is known to trigger many neurological conditions to flair, particularly when they are believed to be caused by an infectious agents (such as "fever blisters" and "shingles" from herpes). Bell's palsy is controversial, in that the root cause is not proven to be known, but could certainly be viral or "inflammatory".

Probably not: Although stress can exacerbate a number of neurological problems, it has not been identified as a cause of bell's palsy. Although not definitely proven, bell's palsy is thought to be caused by a viral infection.