Bruce Willis' decision to end his acting career of more than four decades after a recent aphasia diagnosis has put a spotlight on the somewhat rare disorder.
Aphasia describes a neurological condition that affect a person’s ability to communicate verbally or through writing.It affects an estimated 2million people in US & nearly 180,000 acquire it eachyear
Willis' daughter, Rumer Willis, posted Wednesday on Instagram that the condition has impacted her father's "cognitive abilities."
"As a result of this and with much consideration Bruce is stepping away from the career that has meant so much to him," the post said.
Rumer Willis' mother, the actress Demi Moore, also shared the statement.
The most common cause of aphasia is brain damage from a stroke, though it can also arise as a result of a head injury, brain tumor, infection or degenerative disease like Alzheimer's.
Willis' family did not offer details about the cause of his aphasia.
Willis, an Emmy-winning actor and star of hit movies like "Die Hard" and "The Sixth Sense," turned 67 this month.
What causes aphasia?
Aphasia is caused by damage to one or more areas of the brain that deal with language, according to the National Institutes of Health.