Bell Palsy – Causes, Symptoms, Diagnosis, Treatment and Ongoing care - A peripheral lower motor neuron facial palsy, usually unilateral, which arises secondary to inflammation and subsequent swelling and compression of the 7th (facial) cranial nerve and the associated vasa nervorum.  Read more: http://health.tipsdiscover.com/bell-palsy-causes-symptoms-diagnosis-treatment-and-ongoing-care/#ixzz2Y7aM51TZ