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Drinking Water at Meals Tied to Eating More, Study Finds

Researchers say the association challenges a common dieting tip and has led them to plan controlled experiments to test cause and effect.

Overview

  • A pooled lab analysis published in July 2026 found that every extra 100 grams of water drunk during a meal was associated with about 39 grams more food consumed, roughly 49 calories.
  • The same analysis showed each additional switch between a bite and a sip was linked to about 4.4 grams more food, a pattern researchers think may delay sensory-specific satiety.
  • A separate experiment published in April 2026 found spicier salsa slowed eating by about 30% and reduced total snack intake by roughly 28%, suggesting heat can lower consumption by slowing bite rate.
  • Authors caution both findings come from small, controlled lab samples with limited foods (chili, tikka masala, chips and salsa) and are associative results from secondary analyses, not proof of causation.
  • The team plans follow-up controlled trials to test mechanisms such as fast gastric emptying of water, lubrication that speeds chewing, and palate-resetting from sip–bite switches, with implications for simple diet advice many people follow.