🎓 All Courses | 📚 Introduction to Nutrition Science Syllabus
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Water is the most essential nutrient. You can survive weeks without food but only days without water.

Functions of water in the body:

  • Transports nutrients and oxygen
  • Regulates body temperature (sweating)
  • Lubricates joints
  • Flushes waste products via urine
  • Required for virtually every metabolic reaction
  • Maintains blood volume and pressure

How much do you need?

  • General guideline: ~2–3L per day for adults
  • More in hot climates, during exercise, illness
  • ~20% comes from food (fruits, vegetables)

Signs of dehydration: Dark urine, fatigue, headache, poor concentration, constipation.

Myth busted: "8 glasses a day" has no scientific basis. Individual needs vary significantly.


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Introduction to Nutrition Science: Water — The Forgotten Nutrient
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Reference:

Wikipedia: Water

image for linkhttps://en.wikipedia.org/wiki/Water

📚 Introduction to Nutrition Science — Full Course Syllabus
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