Jay Leno’s wife, Mavis Leno, “sometimes does not know her husband […] nor her date of birth” amid her battle with Alzheimer’s ...

Jay Leno has publicly shared that his wife, Mavis, has dementia. The couple made a rare public appearance together on Tuesday ...

For Jay Leno, laughter has been the best medicine in coping with wife Mavis’ ongoing battle with dementia. “I still make her laugh every day, and that’s always fun,” Leno, 74, told The Post.