dehydration – Simply Younger Journal

Signs of Dehydration in Adults: The Symptoms Most People Miss

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By the time you feel thirsty, you’re already dehydrated. Here are the real signs most adults miss — cognitive, physical, and behavioural — and why thirst is a dangerously unreliable signal.

Is Tap Water Safe to Drink? What the Latest Research Actually Shows

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Dave Prosser

Tap water meets legal standards — but legal and safe aren’t the same thing. PFAS, nitrates, microplastics, pharmaceutical residues: here’s what the latest research actually shows about what’s in your water.

How Well Are You Actually Hydrated? Take the Free 3-Minute Quiz

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Dave Prosser

Most people have never been asked the right questions about their hydration. The free Code of Hydration quiz takes 3 minutes and gives you a personalised picture of where you actually stand.

Drinking Water and Being Hydrated Are Not the Same Thing

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Dave Prosser

You can drink two litres of water a day and still be functionally dehydrated. Here’s why drinking water and being hydrated are not the same thing — and what actually matters.

7 Everyday Things That Are Quietly Dehydrating You (Most People Miss These)

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Dave Prosser

Alcohol and exercise are obvious. But there are 7 daily habits quietly draining your fluid levels that most people never connect to dehydration.

What 25 Years of Data Says About Hydration and How Long You Live

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Dave Prosser

25 years. 11,000 people. A 21% higher premature death risk from being in the upper-normal range of serum sodium. Here’s what the data actually shows.

The NIH Study That Links Your Hydration Habits to How Fast You Age

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Dave Prosser

A 25-year NIH study of 11,000 adults found that chronic under-hydration accelerates biological ageing and increases premature death risk by 21%. Here’s what it actually means.

What Your Urine Colour Is Actually Telling You About Your Hydration

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Dave Prosser

Clear urine isn’t the goal — pale straw yellow is. Here’s what each colour on the scale actually means, and what urine colour doesn’t tell you.

Why Winter Dehydrates You More Than Summer (And Nobody Talks About It)

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Dave Prosser

Cold air, suppressed thirst signals, and central heating create a hidden dehydration risk most people never think about. Here’s why winter is harder on hydration than summer.

Your Brain Is 75% Water — This Is What Mild Dehydration Does to Your Thinking

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Dave Prosser

Your brain is 75% water. A fluid loss of just 1-2% produces measurable cognitive impairment — well below the threshold of thirst. Here’s what’s actually happening.

Tag: dehydration