The American College of Cardiology and the American Heart Association released new guidelines for hypertension in 2017. Learn about what changed in those guidelines from one of the members of the Evidence Review Committee — Daniel T. Lackland, Dr.P.H., professor of neurology and epidemiology in the College of Medicine at the Medical University of South Carolina. Topics include a new definition of stage 1 hypertension, the importance of at-home testing, and the value of combination therapies.