Garth Graham, MD, MPH, a cardiologist and director and global head of healthcare and public health partnerships at YouTube discusses what the online platform is doing to combat misinformation. Host: Adrian Falco Guest: Dr. Garth Graham, director and global head of healthcare and public health partnerships at YouTube. A cardiologist, researcher and public health expert, Dr. Graham previously served in two US administrations as Deputy assistant secretary at the United States Department of Health and Human services