How Much Water Do You Need to Drink While Fasting to Protect Your Kidneys | Science Explained

Описание: How Much Water Do You Need to Drink While Fasting to Protect Your Kidneys | Science Explained

Science Explained: Learn how hydration needs change during fasting and how proper water intake helps protect kidney function and fluid balance.

In this Science Explained video, we examine how much water you need to drink while fasting and why hydration plays a critical role in kidney health during periods without food. The video explains how fasting alters fluid intake, urine concentration, and kidney filtration dynamics.

When food intake stops, the kidneys must regulate fluids and electrolytes using only what you drink and what the body releases internally. This video explains how dehydration can increase filtration stress, concentrate waste products, and affect creatinine and electrolyte levels, especially during longer or repeated fasts.

We also explore how factors such as fasting duration, body size, activity level, and electrolyte balance influence hydration needs. The video explains why drinking too little or too much water can both be problematic, and what science suggests about maintaining kidney protection while fasting.

Discover:
• How fasting changes fluid and electrolyte balance
• Why hydration is critical for kidney filtration
• The role of urine concentration and waste removal
• How dehydration affects creatinine levels
• Factors that influence water needs during fasting
• What science says about hydration and kidney protection

📚 Sources:
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Nair, K.S., et al. (1987). Leucine, Glucose, and Energy Metabolism After 3 Days of Fasting in Healthy Human Subjects. The American Journal of Clinical Nutrition, 46(4), 557-562.
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Sakhaee, K., Maalouf, N.M., & Sinnott, B. (2012). Kidney Stones 2012: Pathogenesis, Diagnosis, and Management. The Journal of Clinical Endocrinology & Metabolism, 97(6), 1847-1860.
Clausen, T., Van Hardeveld, C., & Everts, M.E. (1991). Significance of Cation Transport in Control of Energy Metabolism and Thermogenesis. Physiological Reviews, 71(3), 733-774.
Kozisek, F. (2005). Health Risks from Drinking Demineralized Water. Nutrients in Drinking Water, World Health Organization (WHO), 148-163.
Gröber, U., Schmidt, J., & Kisters, K. (2015). Magnesium in Prevention and Therapy. Nutrients, 7(9), 8199-8226.

Understanding how hydration works during fasting can help clarify how to support kidney health and avoid unnecessary strain while fasting.

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