In ancient Indian medicine, the timing of drinking water holds significant importance. Even Chanakya Neeti emphasizes this in one of its teachings:
“Ajeerne Bheshajam Vari, Jeerne Vari Balapradam; Bhojane Cha Amritam Vari, Bhojanante Vishapaham.”
In simple terms:
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- During indigestion, water acts like medicine.
- After digestion, water provides strength.
- Drinking small amounts of water while eating helps with swallowing and digestion.
- However, drinking water immediately after a meal is considered as harmful as poison.
Let’s understand the reasons behind this according to Ayurveda and modern science.
The Role of Digestive Fire (Agni) in Ayurveda
According to Ayurveda, when we eat food, it enters a special area in the stomach called the digestive chamber (Jirnashayam), located near the navel.
- This chamber contains a mild internal heat known as digestive fire (Agni) which helps break down the food.
- Hunger signals that this digestive fire is active and ready to process food, similar to how a car indicates when fuel is low.
What Happens When You Eat on an Empty Stomach?
When you’re very hungry, any food you eat tends to taste better and digest easily. The digestive fire works for nearly an hour to process the food thoroughly.
- If you eat additional food or drink a large amount of cold water during this time, the digestive fire cools down—similar to pouring water over burning flames.
- This cooling of Agni leads to incomplete digestion, resulting in gas formation, indigestion, bloating, and other health issues.
The Science Behind Avoiding Water After Meals
Scientifically, when you consume food, the stomach produces strong acids and enzymes to break it down.
- Drinking water immediately after eating dilutes these digestive juices, making them less effective.
- This results in poor digestion, leading to gas, acidity, and bloating.
Experts suggest waiting at least 30 to 60 minutes after a meal before drinking water to allow your digestive system to function properly.
What Happens in Case of Indigestion?
If food remains undigested for too long, it starts to ferment inside the stomach, producing excessive gas. This gas either escapes through burping or other means and causes discomfort. This is why ancient sages, Ayurvedic practitioners, and even modern scientists discourage drinking water right after meals.
Best Practices for Drinking Water According to Ayurveda
- Small sips of warm water while eating can aid digestion.
- Avoid drinking large quantities immediately after meals.
- Wait for at least 30-60 minutes post-meal before consuming water.
- Room temperature or warm water is preferred over cold water.
Following these guidelines can help maintain a healthy digestive system, reduce the risk of gastrointestinal issues, and enhance overall well-being.