It’s the second most feared disease behind cancer Alzheimer’s.

"The Alzheimer’s Project," a four-part HBO documentary, looks at the faces behind the disease and the hope for a cure. It will air May 10, 11 and 12. This series dramatically raises awareness of the Alzheimer crisis facing our nation and the need for urgent action.

Maria Shriver narrates Monday’s entitled "Grandpa, Do You Know Who I Am." Her father Sargent Shriver has Alzheimer’s. He, of course, was a leading shaper of The Great Society in the Lyndon Baines Johnson administration, which led to Medicare and Medicaid. We sent pe