Quote du jour: "What is the point of keeping my body alive?"

Catch up quick: Martin began planning to legally end his life after his Alzheimer's diagnosis more than a year ago, fearing the disease would eventually leave him unable to make the decision himself.

• Medical aid in dying is not legal in Iowa, and U.S. laws generally require patients to be within six months of death — a standard that typically excludes people with Alzheimer's.

What he's saying: In a final message before leaving Iowa, Martin urged people experiencing memory problems to seek testing and called on Iowans to press candidates and lawmakers on death-with-dignity legislation.

• "I believe each of us has the right to a dignified death."