As the largest voluntary health organization in the world, the American Heart Association is dedicated to defeating heart disease, stroke and other cardiovascular disease, some of our nation’s biggest killers. Take a stride in the right direction with the Waccamaw Heart Walk, which will help raise money for this great cause. Broadway at the Beach, 1325 Celebrity Circle. Saturday, 9 a.m. Visit website for donation and fundraising information. (843) 282-2903, www.heart.org