PT - JOURNAL ARTICLE AU - Natalie McGill TI - Seniors must speed up, not slow down with physical activity for heart health DP - 2014 Jul 01 TA - The Nation's Health PG - E24--E24 VI - 44 IP - 5 4099 - http://www.thenationshealth.org/content/44/5/E24.short 4100 - http://www.thenationshealth.org/content/44/5/E24.full SO - Nations Health2014 Jul 01; 44