attitude about artificial sweetereners growing over the years. reporter: to stop the sliding sales the beverage industry is looking to replace artificial sweetens with those derived naturally from the stevia plant. 20 years ago it was about avoiding harmful substances, avoiding calories, sugar, fat, cholesterol. this generation looks at halt as what can you add to my diet. where are the whole grains, anti-oxidants, diet tear fiber. natural foods in general have increased in popularity. ten areas ago diet and nondiet soft drinks were the second most popular food item. today they have fallen to fourth place behind sandwiches, fruit and vegetables. back at the gym andre guilino drinks a toast to that trend every day. his company is about to launch a new bottle design, for water. don dahler, cbs news, new york. jeff: explosion from a very active volume dan owe in karo, indonesia isn t the town s residents running for cover earlier today.