'I'm fast like a cheetah': Life-changing heart surgery gives Mason, 3, the energy to be a 'full on' kid

'I'm fast like a cheetah': Life-changing heart surgery gives Mason, 3, the energy to be a 'full on' kid
Last year, Mason Perham was struggling to keep up with other kids on the playground as his skin turned blue. Now he's full of energy and “just 24/7 going for it”.