6 results for "hydration"
The Science of Hydration: Beyond the 8-Glasses Rule
The 8-glasses-per-day rule is not evidence-based. Here's what the research actually shows about optimal fluid intake.
Signs of Dehydration Most People Miss (and the Ones They Shouldn't)
Most adults are chronically mildly dehydrated without knowing it. The symptoms are subtle but affect cognition, energy, and physical performance measurably.
Electrolytes: Why Water Alone Is Sometimes Not Enough
Proper hydration requires more than water. Sodium, potassium, magnesium, and other electrolytes govern fluid balance, nerve conduction, and muscle function.
Hydration and Cognitive Performance: The 1% Effect Most People Ignore
You dont need to be severely dehydrated to feel the effects. Research shows that just 1-2% body water loss - achievable through a normal morning without drinking - measurably impairs cognitive function.
Overhydration: The Underappreciated Risk of Drinking Too Much Water
Most hydration advice focuses on drinking more. The risks of drinking too much are poorly understood by the general public but real - particularly for endurance athletes.
Urine Colour as a Hydration Guide: The Evidence and Its Limits
Urine colour is a practical, validated hydration marker with real limitations. Here is how to use it correctly - and when to look beyond it.