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Cold water after meals (khane ke baad thanda pani)

The Ashtanga Hridaya recommends cold water after some foods and lukewarm water after others. No study we found tests this in adults.

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What the texts say

अनु-पानं हिमं वारि यव-गोधूमयोर् हितम् । दध्नि मद्ये विषे क्षौद्रे कोष्णं पिष्ट-मयेषु तु
anu-pānaṃ himaṃ vāri yava-godhūmayor hitam | dadhni madye viṣe kṣaudre koṣṇaṃ piṣṭa-mayeṣu tu
Cold water is a good after-drink with barley and wheat, and with curd, wine, poison and honey; but lukewarm water with foods made of flour.[1]

The passage matches the after-drink (anupana) to the food, and gives no reason beyond calling cold water "good" (hitam) for these foods. The one cold-drink warning we found is narrower: Charaka says cold things after drinking ghee are incompatible.[1][2]

The modern view

We found no study that tests this verse in adults eating meals. The nearest is an adjacent study from 1986. Twelve nursing infants were given water through a nasogastric tube, a thin tube through the nose into the stomach. Cold water given five minutes after room-temperature water slowed how fast the stomach emptied, and repeat doses of cold water did not slow it further. This was water alone, in babies, so it cannot speak to adults or to food.[3]

Classical text only

Questions people ask

Does cold water after food turn fat solid in the stomach?

That idea is not in this verse. The only study we found gave water alone to infants and did not look at fat.[1][3]

Related

Sources

  1. Ashtanga Hridaya, Sutra Sthana 8.47-48, GRETIL e-text.
  2. Charaka Samhita, Sutra Sthana 26.98 (Atreyabhadrakapyiya Adhyaya).
  3. Macedo Ada S, Collares EF, Troncon LE, Machado NC. [Gastric emptying in children. VI. Evaluation of the cumulative effect of the water low temperature]. Arquivos de Gastroenterologia. 1986;23:184-188. PMID 3435267.

Awaiting review by The Good Vaidya Medical Board. Prepared from the sources below and checked against each one.

Published 4 November 2026 · Last updated 4 November 2026

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