Water Fasting: A Physician’s Evidence-Based Perspective
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With over a decade of clinical experience, I approach water fasting with cautious scrutiny, balancing its potential benefits against significant risks. Overview of Water Fasting Water fasting involves abstaining from all food and consuming only water for a set period (typically 24–72 hours). While historically rooted in cultural or religious practices, it has gained modern attention for purported health benefits. However, its safety and efficacy remain debated in medical circles. Potential Benefits 1. Autophagy Activation - Mechanism: Fasting may trigger autophagy, a cellular "clean-up" process where damaged components are recycled. Animal studies suggest this could aid in longevity and cancer prevention, though human data are limited. - Reality: While biologically plausible, clinical relevance in humans requires further research. 2. Weight Loss - Initial rapid lo...