Want to live longer? Keep an optimistic outlook on life, study suggests

For 99-year-old Harry Whalen, the key to a long and fruitful life is keeping an upbeat attitude. Whalen, who dances in the hallways of his Toronto retirement community Donway Place as his 93-year-old wife Brenda watches, does things most people his age wouldn’t dream of. He recently took the CN Tower EdgeWalk, which bills itself as “Toronto’s most extreme attraction,” and even had a small role in the musical “Come From Away.”  “I guess I have the at