dr. deborah rhodes at the mayo her left breast, and this corresponds to her tumor. >> reporter: stage three breast cancer against dense breast tissue. a new study in england showed 1 in 6 patients have symptoms other than a lump. >> what this new study tells us, is, it's profoundly important to be aware of your breasts, to be familiar with your breasts, even outside of a ritual monthly self-breast exam. >> reporter: in other words, know your own remember the word n.a.p.s., which stands for changes to the nipple, armpit, any pain, and changes to the skin or shape. >> if there's subtlety, there will be more subtle to someone who doesn't know you as well as you know yourself. >> reporter: beth is now two years cancer-free, loving every second with her granddaughter. and all the milestones she might have missed if she had missed the subtle signs of her kristen dahlgren, nbc you or someone you love is a smoker. a new study shows that smokers under the age of 50 are over eight times more likely to have a major heart attack than non-smokers. researchers found this age group of smokers is the most

dr. deborah rhodes as the mayo clinic. >> this corresponds to the area of her tumor. >> reporter: more imaging showed stage 3 breast cancer beneath one in six patients have symptoms other than a lump. >> it is profoundly to be aware of your breasts. >> reporter: in other words, know your own body. remember the word n.a.p.s., which stands for changes to the nipple, armpit, any pain or changes to the skin. >> it's going to be more subtle to someone who doesn't know you as well as you know years cancer-free, loving every second with her granddaughter and all of those milestones she might have missed if she had missed the subtle signs of her breast cancer. kristen dahlgren, rochester, minnesota. >>> this is choose women wednesday. the idea is to support women in business when you use women.org to buy something, a portion of entrepreneurs around the world. more than 70 companies are now taking part. pretty cool. >> great idea. >> yeah. >>> what's next for first lady michelle obama? the new interview with president obama that gives us a little bit of insight. >>> and a fire in annapolis that killed