Tag Archives: dehydration

Key Takeaways Dehydration spikes stress hormones. People who drank less than 1.5 liters of water daily showed a 50% increase in cortisol, the body’s main stress hormone. Hydration directly affects your brain. Low fluid intake activates vasopressin, which impacts the brain’s stress response and raises cortisol levels—even if you don’t feel thirsty. Simple fixes help. Keeping water nearby and checking …

Not drinking enough water could be triggering higher stress levels and increasing the risk of serious health problems, scientists have warned. A study by researchers at Liverpool John Moores University found that people who failed to meet daily hydration targets had significantly higher levels of the stress hormone cortisol during high-pressure situations. Persistently raised cortisol has been linked to a …