smoking or taking medications for high blood pressure. >> every single one of our patients who has heart disease, part of our process is to discuss a flu vaccine. not just to prevent the flu, but as a means of preventing a heart problem. >> and another benefit? if you don't get the flu, you won't give it to anyone else. elizabeth cohen, cnn reporting. >> announcer: heartbeat brought to you by famous idaho potatoes. a stay home on the farm, eat a beautiful idaho potato, and watch tv with my dog... tv anncr: the big idaho potato truck pulled into town today and it's really a sight to see. oh man...let's go.... (distant) you comin', boy? sfx: (dog) gulp! woof.