Why you don't need 8 glasses of water a day | Body Stuff with Dr. Jen Gunter | TED

TED2 minutes read

Drinking eight glasses of water a day is a myth and may lead to frequent urination, as the body's kidneys naturally regulate fluid balance. Rather than focusing on a set amount, it's best to drink water when thirsty and consider that many foods and drinks already contain water.

Insights

  • Drinking eight glasses of water a day is not essential for skin, mental clarity, or energy, but excessive intake can result in frequent urination.
  • The kidneys are vital for regulating the body's fluid and chemical balance, adjusting levels of substances like sodium and glucose to maintain homeostasis; focusing on thirst cues and water content in foods is more beneficial than a set water intake target.

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Recent questions

  • Is drinking eight glasses of water daily necessary?

    No, it is a myth that may not offer significant benefits.

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Summary

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"Water Myth: Listen to Your Body"

  • Drinking eight glasses of water a day is a myth; it won't necessarily improve skin, mental clarity, or energy levels, but may lead to frequent urination.
  • The kidneys play a crucial role in maintaining the body's fluid and chemical balance, constantly monitoring and adjusting levels of substances like sodium, glucose, and water to ensure homeostasis.
  • Rather than fixating on a specific amount of water intake, it's advised to listen to your body's signals of thirst and consume water accordingly, as most foods and beverages already contain water.
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