Article continues below advertisementDave Coulier shared a shocking update after being diagnosed with two different cancers in two years. "It's been a rollercoaster ride for sure," Coulier, 66, told host Robin Roberts during the Wednesday, February 4, broadcast of Good Morning America. "I'm in remission with both cancers, and what a journey it's been."Article continues below advertisementSource: 'Good Morning America'/YouTubeDave Coulier gave an update on his cancer fight.