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What will happen when we drink hot water daily? The surprising pros and cons

5 min read

According to a 2003 study, drinking 500 ml of water can increase metabolism, suggesting a potential benefit of staying hydrated regardless of temperature. However, what will happen when we drink hot water daily, specifically? This widespread practice, backed by centuries of tradition, offers unique pros and cons that modern science is beginning to explore.

Quick Summary

Daily hot water consumption can aid digestion, boost circulation, and offer relief from cold symptoms and stress. However, risks like burns, potential dental erosion, and altered thirst signals must be considered. Moderation and safe temperature are essential to enjoy the benefits without adverse effects.

Key Points

  • Improved Digestion: Daily hot water consumption can relax digestive muscles and stimulate enzymes, which aids in breaking down food and relieving constipation.

  • Enhanced Circulation: As a vasodilator, hot water expands blood vessels, promoting better blood flow, oxygen delivery, and muscle relaxation.

  • Natural Detoxification: The warmth can increase body temperature and induce sweating, assisting the body in flushing out toxins through the skin.

  • Mindful Weight Management: Drinking hot water before meals can help curb appetite, and the mild thermogenic effect may slightly boost metabolism.

  • Relief from Congestion: The heat and steam from hot water can help loosen mucus and soothe a sore throat, providing comfort during colds.

  • Important Caveats: Consuming water that is too hot poses a risk of burns, and excessive intake can disrupt thirst signals and lead to dehydration or mineral imbalances.

  • Safety First: To avoid potential risks like scalding and contaminants, heat cold tap water to a comfortably warm temperature and sip slowly.

In This Article

The Potential Benefits of Drinking Hot Water Daily

Many proponents, and several traditional medicine systems like Ayurveda and traditional Chinese medicine, believe that daily consumption of hot water can lead to improved wellness. The benefits often cited range from digestive support to enhancing circulation and detoxification.

Improved Digestive Health

Drinking hot water can significantly aid digestive processes. It works by stimulating the digestive enzymes in the stomach and relaxing the gastrointestinal muscles, which allows food to move through the digestive tract more smoothly. For those who experience constipation, warm water can act as a natural laxative by softening the stool and promoting regular bowel movements. It may also help settle the stomach and reduce bloating after meals.

Natural Body Detoxification

Consuming hot water can assist the body's natural detoxification processes. By raising the internal body temperature, hot water can induce sweating, which helps flush out toxins and waste products through the skin. This practice also supports the function of the liver and kidneys by diluting waste materials in the blood, making their removal more efficient.

Enhanced Blood Circulation

Hot water acts as a vasodilator, meaning it expands blood vessels and improves blood flow throughout the body. This improved circulation helps deliver oxygen and nutrients to organs and tissues more effectively. Better blood flow can also lead to muscle relaxation, which may help alleviate minor aches and pains, such as those associated with cramps.

Supports Weight Management

While not a magic solution, drinking hot water can support weight loss efforts. A 2003 study found that consuming water (of any temperature) increased metabolic rate, and some evidence suggests hot water could enhance this process through thermogenesis. Drinking a glass before a meal can also create a feeling of fullness, which helps reduce overall calorie intake.

Relief from Cold and Sinus Symptoms

For individuals experiencing cold or flu symptoms like a sore throat or congestion, a cup of hot water can provide soothing relief. The warmth can help loosen mucus and calm irritated membranes, making it easier to breathe and cough. The steam from the hot water can also help clear nasal passages.

Boosts Skin Health

Regular hot water intake promotes healthier, more radiant skin from within. The detoxification effect helps flush out impurities that can cause skin problems like acne. The improved circulation also increases blood flow to the skin, potentially giving it a more youthful, healthy glow and enhancing its elasticity.

The Hidden Risks and Considerations

While the benefits are encouraging, it's crucial to be aware of the potential risks associated with drinking hot water, especially when done daily.

  • Risk of Burns and Scalds: The most immediate danger is consuming water that is too hot, which can cause severe burns to the tongue, mouth, throat, and esophagus. Experts advise that the water temperature should not exceed 71°C (160°F).
  • Dehydration and Thirst Disruption: Ironically, drinking hot water can sometimes lead to dehydration. It may make you feel less thirsty, masking the body's need for hydration, which can be problematic during intense physical activity or in hot weather.
  • Dental Damage: Over time, regularly consuming very hot beverages can erode tooth enamel, leading to increased sensitivity and a higher risk of cavities.
  • Mineral and Electrolyte Imbalance: Excessive fluid intake, especially if it leads to increased urination, could potentially dilute electrolytes and lead to a mineral imbalance.
  • Source Contaminants: Using hot water directly from the tap can introduce more dissolved metal contaminants from hot water heaters and plumbing compared to using cold tap water that is then heated.
  • Medication Interference: Consuming hot water with certain medications may alter their absorption or effectiveness. It is best to consult a healthcare professional regarding any concerns.

Best Practices for Consuming Hot Water

To maximize the benefits and minimize the risks, consider these best practices:

  • Check the Temperature: Always allow the water to cool to a warm or comfortably hot temperature before sipping. A temperature around 58°C (136°F) is often cited as a pleasant and safe range.
  • Heat Cold Tap Water: For safety, always start with cold, potable water and heat it using a kettle or on the stove rather than using hot water directly from the tap.
  • Consider Adding Enhancements: For added benefits and flavor, you can infuse your hot water with natural ingredients like lemon, ginger, or mint.
  • Listen to Your Body: Pay attention to how your body responds. If you experience discomfort or find that your thirst signals are suppressed, adjust your habits accordingly.
  • Know the Best Times: Many cultures recommend starting the day with warm water to kickstart digestion and ending it with a cup to promote relaxation before sleep.

Hot vs. Cold Water Benefits

Feature Hot/Warm Water Cold Water
Digestion Relaxes muscles and stimulates enzymes for smoother digestion. Can constrict blood vessels and potentially slow down digestion.
Hydration Keeps you hydrated, though may satiate thirst faster. Preferred by some for rapid rehydration, especially post-exercise.
Temperature Regulation Warms the body internally, useful in colder weather. Helps cool the body down effectively, ideal for hot climates or workouts.
Detoxification Promotes sweating to flush toxins from the skin. Supports kidney and liver function through general hydration.
Comfort/Relaxation Soothing effect can reduce stress and promote relaxation. Provides an invigorating, refreshing effect and boosts mental alertness.
Appetite Control May help curb appetite when consumed before meals. Also shown to increase feelings of fullness before meals.

Conclusion: A Balanced Approach to Daily Hydration

Drinking hot water daily can be a beneficial practice, with documented advantages for digestion, detoxification, circulation, and stress reduction. However, the key lies in moderation and caution. While hot water may provide a soothing, therapeutic effect, it is not a cure-all, and many of its purported benefits are also supported by simply maintaining adequate hydration, regardless of temperature. By being mindful of the water's temperature to prevent burns, ensuring a clean water source, and listening to your body, you can incorporate this traditional practice into a healthy and balanced lifestyle. As with any significant dietary or wellness change, consulting a healthcare provider is always recommended to ensure it aligns with your individual health needs. For more on nutrition, visit the Academy of Nutrition and Dietetics for expert advice on healthy eating and hydration habits.

Academy of Nutrition and Dietetics

Frequently Asked Questions

While drinking hot water can support weight loss by boosting metabolism and suppressing appetite, it is not a standalone solution. It must be combined with a balanced diet and regular exercise for effective and sustainable results.

Yes, if the water is consumed at a very high temperature regularly, it can gradually erode tooth enamel, increasing sensitivity and the risk of cavities over time. It is best to drink it at a comfortably warm, not scalding, temperature.

Drinking hot water is beneficial for digestion as it stimulates digestive enzymes, relaxes the gut, and can help alleviate constipation and bloating. It is thought to aid the breakdown of food more efficiently than cold water.

Experts recommend drinking water that is warm or comfortably hot, typically below 71°C (160°F) to avoid burns to the mouth and throat. The optimal temperature is a personal preference, as long as it isn't scalding.

Yes, drinking hot water can have a calming effect on the nervous system, which may help reduce stress and anxiety. The soothing warmth of the liquid can promote relaxation.

Yes, there is a risk. Water from a hot water heater can potentially contain more dissolved metal contaminants from the plumbing than cold water. It is safer to heat cold, potable water using a kettle or stove.

There is no specific recommendation for the amount of hot water, but overall hydration guidelines suggest around 2.3 liters (78 oz) for women and 3.3 liters (112 oz) for men daily, which includes water from food. It is most important to stay hydrated, regardless of temperature.

Yes, drinking hot water can improve skin health by flushing out toxins through increased sweating and improving blood circulation. This promotes a healthier complexion and can reduce blemishes.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.