Determined: Fighting Alzheimer's

What will it take to cure your most dreaded disease? A pound of flesh? A genius mind? How about the ability to wrangle with family.

Three women at high risk for Alzheimer's disease offer their brains and bodies to a medical study. After the deaths of their mothers, these daughters are determined to contribute to the search for a cure. This is the latest fight against Alzheimer's - by those with a very personal stake in the battle.