it has 30 billion probiotic cultures. feel lighter and more energized. ultimate flora. more power to your gut. quite a headline from the world health organization. a new report that announces flat out, bacon can cause cancer. that's not all. hot dog, sausages, red meat might be a problem, too. >> a startling warning sure to face some backlash. what does this all mean? let's get the details. let's bring in cnn's senior medical correspondent elizabeth cohen and chief of breast services at kettering sloan. elizabeth, first to you, lay out what they are saying. >> rarely are public health organizations this straightforward about something they say, plain and simple, processed red meats are a carcinogen. let's take a look at exactly