Why is hydration important, and how much fluid do you actually need in Europe?

Hydration explained: fluid balance, electrolyte regulation, kidney function, blood pressure stability, and dehydration risk.

In this episode, we outline why adequate hydration is essential for normal physiological function and how doctors assess dehydration during an online consultation in the EU.

You’ll learn:

• How water supports circulation, temperature regulation, and digestion

• The role of kidneys in maintaining fluid and electrolyte balance

• Early signs of dehydration: dark urine, fatigue, headache, dizziness

• How exercise, heat, illness, or diarrhoea increase fluid requirements

• Why older adults and children are at higher risk

• When oral rehydration solutions are recommended