Facial paralysis, affecting one or both sides of the face, stems from facial nerve damage, causing weakness and movement loss. Bell's palsy is a common sudden cause, while strokes, infections, and tumours can lead to gradual onset. Prompt medical attention is crucial, especially with stroke symptoms, for timely diagnosis and better recovery.
source https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/facial-paralysis-warning-signs-key-causes-symptoms-and-prevention-tips-for-sudden-or-gradual-facial-nerve-damage/articleshow/124603092.cms
