Why does a face droop during a stroke? Is a stroke the only thing that causes this ‘phenomenon’?
In: Biology
Your face has muscles, some of which you have conscious control over (like the ones for smiling, frowning, raising your eyebrows, etc) and some of which you don’t. When you have a stroke, the nerves that supply “strength” to different muscle groups can become damaged. The way the nerves are arranged, it’s often just one side. When the nerves that supply your face become damaged, the affected muscles go limp and give the face a droopy appearance.
Anything that affects the nerves of the face can cause facial droop. That can include a stroke, a TIA (mini stroke), or bells palsy, where something just irritates the nerves and they just stop working for a while.
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