-- the big questions about what's really in your soft drink Coke and Pepsi saying they'll change their recipes because of a chemical that could cause cancer. Are we doctor professors here with more on... See More
-- the big questions about what's really in your soft drink Coke and Pepsi saying they'll change their recipes because of a chemical that could cause cancer. Are we doctor professors here with more on what this means for soda drinkers and so what -- the changes here rich and why now. Yes -- Coke and Pepsi announced that they're gonna change the formulation of the of the karma coloring that they use in their sodas. To avoid putting a cancer warning label and and here's why a consumer group called center for science in the public interest claims that they -- testing. Of this of this karma coloring and they found a chemical in there. There has been linked to cancer in animals is above what's allowable in our food supply and they demanded that the Food and Drug Administration take action. In other whole Lotta people who drink -- -- and -- -- very concerned about their health right now. You know there there -- a number of opinions on that -- says that there has never been a problem in terms of cancer. From this karma coloring but they want to make the change to avoid -- that warning label. The Food and Drug Administration they told Reuters that you would need to drink more than a thousand cans of soda. Every single day he hit that threshold of a risky -- in animals. Even before this came out. You've never been a fan as most doctors are not a fan of drinking these kind -- beverages. -- you know I don't see that there's a real cancer risk here. But it but you're right you know I see this every day that if there if you want to do one thing for your -- just one thing that you could do today it would have the biggest impact. -- be cut out your service cut out your sweetened beverages because. -- I mean. Cancers -- to risk you're more likely to die from their diabetes it's linked to obesity that's going to all -- sweetened beverages than you ever are to have to worry about the and you could see a dramatic change if you cut -- it's unbelievable we'll lose pounds you will lose pounds just from that one simple thing and help your health that's right thanks for it.
This transcript has been automatically generated and may not be 100% accurate.