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❄️ Winter Cold-Water Bath, Nose Breathing & Immunity Is It Really True? A Science-Based Explanation ✅ The Claim in Simple Words “In winter season, taking a bath in cold water, keeping the mouth closed and breathing through the nose increases immunity power.” This idea is popular in traditional practices, yoga culture, and natural health discussions. But is it scientifically true, or just a myth? Let us understand this step by step, without fear or exaggeration. 🌍 PART 1: ENGLISH VERSION 1. Understanding Immunity (In Simple Language) Immunity means the body’s natural defense system. It helps us fight: Common cold Flu Infections Seasonal illnesses Immunity depends on: Sleep Nutrition Physical activity Stress level Breathing pattern Temperature exposure Cold water bathing and nasal breathing affect some of these factors. 2. Cold Water Bath in Winter – What Happens to the Body? When cold water touches the body: 🔹 Immediate Effects Blood vessels contract (vasoconstriction)...