The old "8 glasses of 8 ounces" rule (64 ounces total) is like that sweater your grandma knitted for you—it’s warm, it’s familiar, but it doesn’t fit everyone. That number was loosely pulled from a 1945 recommendation that said humans need about 1 milliliter of water per calorie of food. We just ran with it.
In reality, your needs shift like a teenager’s mood. Thirst is actually a late signal—by the time you feel it, you’re already a little dehydrated. So don’t wait for the dry-mouth alarm. Keep a bottle on your desk, but don’t obsessively track each sip like it’s a cryptocurrency.
Enter the Alcoholic Elephant in the Room
If you drink caffeine or alcohol? Let’s just say they’re the ultimate hydration thieves. Coffee does count toward your total water intake, but a gin and tonic is basically a party invitation for dehydration. Pro tip: Match every alcoholic drink with a glass of water. Your hangover will send you a thank-you email.
And yes, that sparkling water, that herbal tea, even that slice of watermelon—it all counts. Your body isn’t picky. It just wants the H₂O molecules, not a delivery system that looks fancy on Instagram.
B Fit B Hydrated - The Braden Aboud Memorial Foundation
