Regular soft drinks and many fruit juice beverages and sports drinks are sweetened with added sugars such as sucrose or high fructose corn syrup, while 100-percent fruit juices only contain natural sugars. Milk has natural sugar too, even though it isn’t sweet. Diet soft drinks may taste sweet, but they don’t contain any sugar. “Some dietary recommendations call out ‘sugary’ beverages,” lead researcher Gail Rampersaud told Reuters Health in an email.

Got a success story of your own? Send it to us at success.stories@huffingtonpost.com and you could be featured in our I Lost Weight series! Name: Jacquelyn Moody Age: 29 Height: 5’4″ Before Weight: 204.5 pounds How I Gained It: I had gained most of the weight 10 years ago, then packed on 40 more pounds during pregnancy. My daughter is now 8, so pregnancy weight is no longer an excuse! I’m a carb girl, so I loved eating bread, pasta, cake, cookies. I hated veggies. I had been trying to lose weight for years, but I just couldn’t do it.