Bell's palsy has been linked to stress, although a precise cause has not been found. Conditions such as hypertension (high blood pressure), diabetes, Lyme disease and autoimmune disorders, chronic ear infections, tumors and trauma to the head or face have also been identified as coinciding with the illness.

I can’t move any part of it,” the “Teen Mom OG” alum said. “My eye is getting so dry from not being able to blink all the way. This is awful.”

Palin noted doctors said her facial paralysis could have been brought on by “a case of Bell’s palsy" due to "stress or lack of sleep"

Bristol Palin has been dealing with a bout of facial paralysis, which her doctors believe was brought on by ‘a case of Bell’s palsy’

Josh Brolin was under a lot of stress when he moved back to his hometown. The actor spoke about contracting the medical condition Bell's Palsy when he returned to Montecito, Calif., where he grew up,

Brolin resides in California with his third wife, Kathryn Boyd, with whom he shares daughters Westlyn, 6, and Chapel, 4. (Brolin was previously married to Alice Adair, with whom he shares Trevor, 36, and Eden, 30. He also tied the knot with Diane Lane in 2004, but the marriage came to an end in 2013.)