>> guest: it is not what you eat but if you do not exercise and genes are involved, so a number of things. this is just one aspect you might be able to reduce. i am not willing to get rid of my artificial sweetner at this time. >> heather: is there one that is better than another? >> guest: that is controversial. >> gregg: and exercise is key? >> guest: absolutely. exercise. >> gregg: just got off the machines before work. >> heather: we figured out we like, i don't drink a lot of soda, i do water, primarily, but we have a favorite soda, black cherry. love it. like drinking dessert. >> gregg: doctor, thank you. now a look at the radar system we are following a storm system that is down in the gulf of mexico area and this may not help into a hurricane the last time we talked to janice dean