<br><div><img src="https://d1gpmunylt23vy.cloudfront.net/360_SixRivers_Live/0/0/0/0/588/829/588829_1" style="width: 100%" /><div>Adults who drank diet drinks, like diet soda, kept weight off just as well as those who drank water over two years, a new study found.</div></div>