Approximately what percentage of human blood plasma is composed of
Chapter 1

Morning light: synchronizing your master clock

Chapter 2

Tactical hydration: the fluid-energy connection

Chapter 3

Power naps: the NASA-approved midday reset

Chapter 4

Movement snacks: powering up without a workout

Chapter 5

Strategic eating: flattening the glucose roller coaster

Chapter 6

Forest bathing: plugging into nature's battery

Ch 2 · Tactical hydration: the fluid-energy connection
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thabo Dehydration temporarily shrinks the human brain.

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thabo Brain Shrinkage

Without any water, the brain shrinks inside, but a glass brings it back.

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By the time we feel a deficit, we are already compromised.

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The cost of mild dehydration

thabo Proactive sipping stops headaches, fatigue, and poor concentration before you feel thirsty enough to drink.

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Blood volume and oxygen

thabo Drinking water keeps blood plasma levels high to prevent physical exhaustion.

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Sip and Spark
BETA

thabo Pour water into your daily routine to discover how simple sips spark your everyday energy.

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Fun Fact

The brain shrink: When you are dehydrated, your brain can actually shrink in volume, causing it to pull slightly away from your skull and trigger a headache.

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Glossary
dehydration (noun)
A condition caused by the excessive loss of water from the body. In 2026, performance dietitian Captain Franklin Muntis trained Missouri soldiers to maintain fluids to prevent this condition.

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Gossip

How do you prefer to keep your water cool and close?

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Quiz

At what percentage of body weight loss in water does mild dehydration begin to cause fatigue and concentration issues?

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Quiz

At what point does the body's thirst mechanism typically get triggered during dehydration?

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Quiz

Approximately what percentage of human blood plasma is composed of water?

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Quiz

How does dehydration affect your heart rate during normal activity?

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Quiz

Which two key minerals are primarily utilized by cellular pumps to generate electrical energy in the body?

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Quiz

What is the medical term for dangerously low sodium levels in the blood, often caused by overhydrating with plain water?

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Quiz

Approximately what percentage of human brain tissue is composed of water?

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Quiz

What physical change occurs in brain cells during acute dehydration that contributes to headaches?

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