Surveys have found that people who drink diet beverages average more than 26 ounces per day, and some drink far more. About 3 percent of diet-soda drinkers have at least four daily.
Some may be addicted to caffeine, but that doesn't explain those who prefer caffeine-free varieties. Experts say that people can become both psychologically and physically dependent on it.
They may get addicted to diet soda because they associate it with a certain activity or behavior. And research also suggests that the artificial sweeteners in diet soda may prompt people to drink more, because they aren't as satisfying. CNN reports:
"In other words, artificial sweeteners may spur drinkers -- or their brains -- to keep chasing a 'high' that diet soda keeps forever just out of reach ...
Whether you feel dependent or not, drinking too much diet soda might be risky in the long run. In recent years, habitual diet-soda consumption has been linked to an increased risk of low bone mineral density in women, type 2 diabetes, and stroke. What's more, a growing body of research suggests that excessive diet soda intake may actually encourage weight gain."