Drinking cold water may seem like a harmless habit, especially after a large meal or on a hot day. However, various studies and observations indicate that doing so immediately after eating could have effects that go beyond simply feeling refreshed. Below, we explain what really happens in your body when you drink cold water right after eating and how to do it more healthily.

The Effect of Cold Water on Digestion

When you finish eating, your body begins a complex process to digest and assimilate food . The stomach begins to work at a warm internal temperature, ideal for breaking down fats and nutrients.

However, when you drink cold water immediately after eating , there is a sudden change in temperature that can:

• Temporarily lower the temperature of the stomach , slowing down digestion.
• Solidify the fats in fatty foods, making them harder to break down
• Cause a feeling of heaviness or bloating , especially in people with slow digestion.

This doesn’t mean that cold water is harmful in itself, but the time it is consumed can influence the digestive process.

Possible consequences of drinking cold water after meals

1. Slower digestion:
   The body needs to restore the proper internal temperature, so it may take longer to digest food.
2. Stomach discomfort or gas:
   Some people may experience mild abdominal pain, belching, or a feeling of fullness due to the sudden cooling of the digestive system.
3. Reduced nutrient absorption:
   In cases of slow or weakened digestion, the body may absorb certain minerals and vitamins less effectively.
4. Postprandial fatigue (tiredness after eating):
   Heavier digestion can lead to drowsiness or a mild feeling of exhaustion.

When and how is it best to drink water

Water remains essential for the body, but the key is knowing when and at what temperature to consume it

• Before eating: Drinking a glass of room temperature or lukewarm water 20–30 minutes beforehand helps prepare the digestive system
• During meals: If you feel thirsty, take small sips of warm or room temperature water.
• After eating: Wait about 30 to 40 minutes before drinking cold water; this allows digestion to progress and the body to better tolerate the temperature change.

Benefits of room temperature or lukewarm water

Drinking warm or room temperature water after meals helps to:

• Promote faster and lighter digestion .
• Stimulate liver and gallbladder function.
• Improve nutrient absorption .
• Prevent bloating or reflux.

In addition, in traditional Eastern medicine, warm water is associated with the body’s energy balance , helping to maintain better circulation and a more active digestive system.

Conclusion

Drinking cold water right after eating is not dangerous, but it can disrupt digestion and slow it down . If you want to enjoy the benefits of water without affecting your well-being, it’s best to opt for room temperature water or wait a little while before drinking it cold.

Taking care of these small habits can make a big difference to your digestive health and daily energy .

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