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

itoggle caption Lauren Mitchell/Flickr

Sen. Mark Kirk, R-Ill., gets help entering the Capitol from Vice President Joe Biden (right) in January 2013, one year after suffering a stroke at age 52. Jewel Samad/AFP/Getty Images hide caption

itoggle caption Jewel Samad/AFP/Getty Images

Gaining a few more years of healthy life would be great for individuals, but expensive for Medicare, researchers say. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Experts say lots of factors determine how quickly an oil deteriorates — from the variety of the olives, to how the oil is produced and stored. Matthias Schrader/AP hide caption

itoggle caption Matthias Schrader/AP

Researchers tested the antidepressant Lexapro, or escitalopram generically, to see if it would protect the heart against mental stress. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

When Melissa McCann (left) suffered a stroke in 2007, her twin sister, Terry Blanchard, helped her make a full recovery. McCann is now back to work as a flight nurse with Life Flight at the Eastern Maine Medical Center in Bangor. David Wright/Redux Pictures for NPR hide caption

itoggle caption David Wright/Redux Pictures for NPR