The Thirsty Brain: How Fluid Intake Controls Mental Sharpness

Category: Cognitive Clarity and Neural Hydration It is a well-established biological fact that the human brain is composed of approximately 75% water. Because neural tissue is so highly concentrated with fluid, even a minor dip in hydration—as little as 1% to 2%—can have an immediate and measurable impact on cognitive performance. When the brain is […]