Manuel "Manny" Aguirre, 80, has been mixing cocktails at Musso and Frank Grill in Los Angeles for more than two decades. He works part time and could retire — but he doesn't want to. Courtesy of Musso and Frank Grill hide caption

itoggle caption Courtesy of Musso and Frank Grill

Doctors may eventually be able to diagnose "preclinical" Alzheimer's in patients who have abnormal brain scans but who aren't yet showing behavioral symptoms of the disease. iStockphoto hide caption

itoggle caption iStockphoto

House Speaker John Boehner of Ohio leaves the House chamber on Capitol Hill in Washington, after House Republicans passed a measure Friday that would overhaul the system Medicare uses to pay doctors. J. Scott Applewhite/AP hide caption

itoggle caption J. Scott Applewhite/AP

Barbara Mancini with her father, Joseph Yourshaw. Barbara Mancini via Compassion & Choices hide caption

itoggle caption Barbara Mancini via Compassion & Choices

A snippet of the data ProPublica obtained from the federal government about Medicare Part D, the prescription drug benefit for seniors. ProPublica hide caption

itoggle caption ProPublica

Study participants were trained in practical reasoning skills like managing medications. Jorge Salcedo/iStockphoto hide caption

itoggle caption Jorge Salcedo/iStockphoto

Could a countdown to death help you lead a more ecstatic life? Daniel Horowitz for NPR hide caption

itoggle caption Daniel Horowitz for NPR

What seemed like a burden can become a gift. iStockphoto hide caption

itoggle caption iStockphoto

Spiffing up the garden may also make your cardiovascular risk profile look better, too. Lauren Mitchell/Flickr hide caption

itoggle caption Lauren Mitchell/Flickr

President Obama and House Speaker John Boehner of Ohio talk with reporters at the White House after a meeting about the federal budget deficit and economy in Nov. 2012. Some Republicans have proposed raising the Medicare eligibility age to 67. Carolyn Kaster/AP hide caption

itoggle caption Carolyn Kaster/AP