Gulp!
Soda is linked to a slew of woes.
In the second study, the same researchers concluded that people who consumed at least one diet soda a day had smaller brain volumes than those who did not drink any diet soda. Moreover, that same study found that people who consumed more than two sugary beverages such as soda or fruit juice a day had smaller brain volumes and worse memory function that those who did not consume any such beverages.