At 83, Mr. Hockey is still in demand and on the move. Gordie Howe is about to embark on another series of fundraisers to support dementia research.It's a personal cause. The disease killed his wife, Colleen, in 2009 and is beginning to affect him."He's a little bit worse than last year, but pretty close to about the same," son Marty said. "He just loses a little bit more, grasping for words.