Avoiding Dehydration Dehydration can cause headaches, fatigue, and impaired cognitive function. Severe dehydration is a medical emergency that requires immediate attention.
Practice Advice: Monitor your hydration levels by checking urine color (light yellow indicates proper hydration) and watching for signs of dehydration like dry mouth and dizziness.
Scientific Evidence: Research confirms that dehydration negatively impacts physical and cognitive performance, highlighting the importance of maintaining adequate fluid intake.