National Academy of Sciences says 64 0z of water not required??

Page A10 of the Washington Post today has an article"Follow your Thirst, Report says-Academy of Sciences discounts need for 8 cups of water daily".. The NAS says that the vast majority of Americans will be amply hydrated if they simply let thirst be their guide. It goes on to say that thirst is the main determinant of how much fluid people need and that women require roughly 11 cups of fluid a day, with 20 percent of that coming from food. AND, here is the kicker, they go on to say that beverages such as caffeine and alcohol can contribute to total water intake, that the studies that suggest caffeine and alcohol cause water loss is transient in nature. Interesting, and I don't know what to make of it....any comments? Are we in the WLS community different from the regular population when it comes to water intake? I still plan to get in my water, but maybe now I won't feel as guilty if I don't make my 64....

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