McGovern is a 73 years old singer

He recently shared a video on Facebook

He shared this post to help detect a rare from of Alzheimer's

He said via video that l've been diagnosed with Alzheimer's symptoms

He was diagnosed with posterior cortical atrophy

They've said l can't travel anymore

McGovern said his diagnosis presents a challenge

And she say it can't stop me from living life

She said if my mother was alive she could have saved me

McGovern was musician and her passion was  from childhood