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Hydration stories, science deep-dives, and practical guides. Written by Jordan Lee, RD — a sports dietitian who actually tests sweat for a living.

Elderly Dehydration Risks Summer 2026
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Elderly Dehydration Risks Summer 2026

My mom stopped feeling thirsty at 72. I did not know that was possible. I thought thirst was universal, like breathing or blinking. But aging changes ...

July 25, 20269min read
The Miami Heat Wave That Made Me Rethink Everything I Knew About Water
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The Miami Heat Wave That Made Me Rethink Everything I Knew About Water

The Miami Heat Wave That Made Me Rethink Everything I Knew About Water I collapsed on the sidewalk outside my apartment building on Brickell Avenue at...

July 11, 20269min read
Miami Heat Hydration App Danger
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Miami Heat Hydration App Danger

Why My Hydration App Told Me to Drink 8 Glasses a Day—And Nearly Put Me in a Miami ER Jordan Lee I was on my fourth bottle of water by 10 AM when the ...

July 06, 20269min read
My Garmin Said I Lost 4 Pounds Of Water On A 90 Minute Run
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My Garmin Said I Lost 4 Pounds Of Water On A 90 Minute Run

My Garmin Said I Lost 4 Pounds of Water on a 90-Minute Run. Miami Heat Doesn't Care About Your Watch. 4.2 pounds. That's what my Garmin scale told me ...

June 24, 20269min read
Why I Have No Plants but Two Paddleboards: A Miami Hydration Story
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Why I Have No Plants but Two Paddleboards: A Miami Hydration Story

I have killed every plant I’ve ever owned. Every single one. A succulent that was supposed to be indestructible? Dead in three weeks. A snake plant th...

June 17, 20269min read
Understanding Altitude's Impact on Fluid Needs
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Understanding Altitude's Impact on Fluid Needs

I learned about altitude hydration the hard way. I flew from Miami, which is at sea level, to Denver, which is about a mile high, for a weekend of hik...

June 09, 20269min read
Electrolyte Balance 101: Sodium, Potassium, and Magnesium
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Electrolyte Balance 101: Sodium, Potassium, and Magnesium

I had a client once who was doing everything right. She drank three liters of water a day. She exercised five times a week. She ate vegetables with ev...

May 20, 20269min read
8 Smart Water Bottles and Apps Compared for 2026
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8 Smart Water Bottles and Apps Compared for 2026

I have a confession. I’m terrible at remembering to drink water. I tell my clients to drink every hour, set timers, keep a bottle on their desk. And t...

May 12, 20269min read
A Complete Guide to Exercise Fluid Replacement
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A Complete Guide to Exercise Fluid Replacement

The first time someone asked me how much they should drink during a marathon, I gave them the textbook answer: “Drink to thirst.” That’s what I learne...

April 25, 20269min read
How I Gained 3 Pounds During an Ironman (And Fixed It)
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How I Gained 3 Pounds During an Ironman (And Fixed It)

I remember staring at the scale after the Ironman and feeling confused. Not tired, not hungry, not even that sore. Confused. Because the scale said I ...

April 04, 20269min read
10 Signs You're Chronically Dehydrated
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10 Signs You're Chronically Dehydrated

Do you have headaches that won’t go away? Do you feel tired all the time even when you sleep enough? Do you reach for snacks when you’re not really hu...

March 29, 20269min read
How to Calculate Sweat Sodium Loss During Training
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How to Calculate Sweat Sodium Loss During Training

I have a client named Dave who leaves white salt stains on everything he wears. His hats look like they’ve been dipped in powdered sugar. His shirts h...

March 12, 20269min read
How to Calculate Your Daily Water Intake by Body Weight
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How to Calculate Your Daily Water Intake by Body Weight

I still remember the first time someone told me to drink eight glasses of water a day. I was maybe 22, fresh out of college, and I believed it complet...

February 19, 20269min read
The Dehydration Headache That Ruined My Marathon PR
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The Dehydration Headache That Ruined My Marathon PR

I woke up late. That’s really the whole story, but I’ll tell you the rest anyway. It was 5:45 AM on marathon morning, my alarm was set for 5, and my p...

February 05, 20269min read
How to Prevent Kidney Stones with Strategic Fluid Intake
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How to Prevent Kidney Stones with Strategic Fluid Intake

A few years ago, my uncle called me from the emergency room. His voice was tight, like he was trying not to scream. “Jordan,” he said, “I think I’m dy...

January 25, 20269min read
The 14-Day Hydration Streak Setup Guide
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The 14-Day Hydration Streak Setup Guide

I used to think hydration tracking was for obsessive people. The kind who weigh their food and log their steps and have color‑coded spreadsheets for e...

January 06, 20269min read
Drank Gallon Water Daily Felt Worse
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Drank Gallon Water Daily Felt Worse

I peed 14 times a day. I woke up twice every night to use the bathroom. My skin broke out. I felt bloated, tired, and constantly cold. And I was doing...

January 01, 20269min read
How to Use the Beverage Hydration Index in Real Life
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How to Use the Beverage Hydration Index in Real Life

I’ll be honest. When I first read the Beverage Hydration Index paper from Ron Maughan’s lab, I didn’t believe it. Milk hydrates better than water? Cof...

December 28, 20259min read
15 Hydrating Foods That Count Toward Your Daily Goal
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15 Hydrating Foods That Count Toward Your Daily Goal

I used to think that hydration meant water. Plain water, maybe sparkling water, definitely not food. Then I read that old 1945 report where the Food a...

December 14, 20259min read
The Ultimate Guide to Beverages Ranked by Hydration Power
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The Ultimate Guide to Beverages Ranked by Hydration Power

I have a love‑hate relationship with beverage rankings. On one hand, I love data. Give me a spreadsheet with BHI values, electrolyte content, and calo...

November 26, 20259min read
20 Low-Calorie Hydration Hacks for Office Workers
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20 Low-Calorie Hydration Hacks for Office Workers

You know that feeling around 2 PM when your mouth is dry, your head is heavy, and the only thing you want is a nap? That’s not just the post-lunch slu...

November 09, 20259min read
The 8-Glasses Myth: Where It Came From and Why It Wrong
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The 8-Glasses Myth: Where It Came From and Why It Wrong

I’m going to say something that might upset people. The eight‑glasses‑a‑day rule is complete nonsense. It’s not based on science. It’s not individuali...

October 24, 20259min read
The Complete Tropical Climate Hydration Guide
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The Complete Tropical Climate Hydration Guide

I moved to Miami five years ago, and for the first three months I thought I was dying. Not really, but close. I would walk to my car, drive to work, w...

October 10, 20259min read
The Client Who Drank Only Coffee for 3 Days Straight
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The Client Who Drank Only Coffee for 3 Days Straight

I had a client once who told me, with complete seriousness, that he didn’t like water. “It has no taste,” he said. “I only drink coffee.” He was a sof...

September 24, 20259min read
What Is the Beverage Hydration Index and Why It Matters
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What Is the Beverage Hydration Index and Why It Matters

I still remember the first time I read Ron Maughan’s Beverage Hydration Index paper. It was 2016, I was studying for my sports nutrition exam, and the...

September 18, 20259min read
Building Your Morning Hydration Routine: 500mL to Start
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Building Your Morning Hydration Routine: 500mL to Start

I used to be the kind of person who stumbled to the coffee maker before doing anything else. No water, no bathroom stop, just straight to the machine....

September 03, 20259min read
The Science of Morning Dehydration: Why You Wake Up Thirsty
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The Science of Morning Dehydration: Why You Wake Up Thirsty

I used to think waking up thirsty meant I hadn’t drunk enough water the night before. So I would chug a big glass before bed. Then I’d wake up at 2 AM...

August 14, 20259min read
What Is Urine Color Telling You About Hydration?
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What Is Urine Color Telling You About Hydration?

I have a confession. I talk about pee more than any other topic. At parties, at work, even at the dinner table once. My family is used to it now. My f...

July 28, 20259min read
Pregnancy Hydration Planning by Trimester
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Pregnancy Hydration Planning by Trimester

I remember sitting with my sister during her first pregnancy. She was about 20 weeks along and complaining of headaches, constipation, and this weird ...

July 12, 20259min read
Understanding Sweat Sodium Concentration: Salty vs Light
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Understanding Sweat Sodium Concentration: Salty vs Light

I have two clients. Let’s call them Maria and James. Both are runners. Both weigh about 65 kilograms. Both run a half‑marathon in similar conditions. ...

June 30, 20259min read