Have You Heard About Greg? This is a unique cinematic journey through Alzheimer's featuring an array of dedicated experts who have joined the fight and will hopefully inspire you to get involved. Have You Heard About Greg? (HYHAG) attempts to put a human face on the most terrifying disease and the heart of the story is the resilient spirit of the O'Brien family that has already lost several family members in their fight against Alzheimer's. Greg O'Brien, an award-winning investigative...