Cardio King Why Cardio Exercise is Insanely Good for You Emma Sturgis, January 11, 2018 Cardio King Why Cardio Exercise is Insanely Good for You Cardio King Why Cardio Exercise is Insanely Good for You Emma Sturgis Emma is a freelance writer based in Boston, MA. She writes most often on health and education. When not writing, she enjoys reading and rock climbing. Say hi on Twitter @EmmaSturgis2