Does Fizzy Water "Count"?

At MIT it seems that everyone has an emotional support water bottle. Campus is full of people toting their nalgenes, Stanleys, and Yetis — tracking their ounces on apps and stressing about hitting “eight glasses a day.” But among that crowd, two friends are debating the rules of the game: Does it “count” if the water fizzes? Are you cheating at hydration if your water isn’t plain, flat, and boring? Learn more about Allison Sherwood, M.S.N, F.N.P.-B.C.