This week on Up Close, actor David Hyde Pierce talks about the battle his family faced with the disease.
[Ads /]
Also joining us are Jed Levine, CEO of CaringKind NYC, and Karen Marder, caregiver for her husband who has Alzheimer's.
Plus we meet a man who gets his kicks doing something few others have ever done - climbing almost every bridge in New York City to take amazing pictures.
[Ads /]
Dave Frieder has compiled them in his book, 'The Magnificent Bridges of New York City'.
Up Close: Pictures of NYC bridges