Why Drinking Water Gets Harder With Age

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Many people assume they’ll feel thirsty when their body needs water.

The reality is a little more complicated. As we age, our sense of thirst naturally becomes less reliable. That means you can be mildly dehydrated before your body sends a strong signal that it’s time for a drink.

There are other factors at work, too. Older adults generally have less water stored in their bodies than younger people, and age-related changes in kidney function can make it harder to conserve fluids. Some common medications, including certain blood pressure medicines and diuretics, can also increase fluid loss.

The signs of dehydration aren’t always obvious. Tiredness, dizziness, headaches, dry mouth, dark urine and feeling light-headed can all be clues that you’re not getting enough fluids. In more serious cases, dehydration can contribute to confusion, falls, urinary tract infections, and kidney problems.

One of the simplest ways to stay hydrated is to make drinking part of your routine rather than waiting until you feel thirsty. Have a drink with meals, keep a glass of water nearby when reading or watching television, and take a bottle of water when leaving the house.

Remember that water isn’t the only option. Milk, tea, coffee, soups and water-rich foods such as fruit can all contribute to your daily fluid intake. The most important thing is finding drinks you enjoy and are likely to consume regularly.

Hot weather deserves extra attention. During summer, gardening, walking or simply spending time outdoors can increase fluid loss through sweating. If you’re unwell with a fever, vomiting or diarrhoea, you’ll also need to pay closer attention to your hydration.

Hydration may seem like a small part of healthy ageing, but it has a surprisingly large impact on how you feel each day.

A few extra drinks spread throughout the day can help support your energy, concentration and overall wellbeing—and may prevent a minor problem from becoming a much bigger one.