HAVIT Blog
Guias baseados em ciência sobre hábitos, sono, nutrição e movimento.
Recentes · 30 artigos
Does Sparkling Water Really Weaken Your Bones? The Carbonation-Calcium Myth Explained
Plain sparkling water has zero negative effect on bone density; the bone-health concerns stem specifically from cola's phosphoric acid, not carbonation itself.
Tart Cherry Juice for Sleep: Why the 90-Minute Window Before Bed Changes Everything
Drinking 8oz of tart cherry juice 60-90 minutes before bed increases sleep time by 84 minutes and boosts melatonin bioavailability by 147%.
Urine Color Hydration Chart Accuracy: Why Your Pee Might Be Lying to You
Urine color charts work for most people most of the time, but B vitamins, beets, certain medications, and even asparagus can make this classic hydration test wildly inaccurate.
Water Fasting Electrolyte Danger Signs: The 72-Hour Protocol That Could Save Your Life
Electrolyte imbalances during water fasting can turn dangerous within 48-72 hours—here's exactly what symptoms to watch for and how to supplement safely.
How Much Water Actually Prevents Kidney Stones? The 2.5L Myth vs. Real Science
Drinking 2.5-3L daily while targeting urine specific gravity below 1.010 cuts calcium oxalate stone risk in half—but when you drink matters as much as how much.
Watermelon Juice for Muscle Recovery: How L-Citrulline and Natural Electrolytes Work Together
Watermelon juice provides L-citrulline (converts to arginine for nitric oxide) plus natural potassium, offering dual recovery benefits that synthetic sports drinks can't match.