99-Year-Old Merchant Mariner Veteran Still Works Out at the Gym

Donald Mann celebrated his 99th birthday at the gym. The veteran merchant mariner, who served in World War II was surprised with the party. He’s been a regular at the gym for 30 years. The best medicine, he says, is laughter. “ Laughter has a lot to do with still being able to be still moving when you're 99,” he told CBS News. Inside Edition Digital has more.