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  "path": "/news/health/166662-kidney-stones-water-myth-lancet-study/",
  "publishedAt": "2026-05-07T16:38:00.000Z",
  "site": "https://english.pravda.ru",
  "tags": [
    "Health"
  ],
  "textContent": "The myth of \"two liters of water a day” as a universal cure for kidney stones has officially been reduced to a statistical error. A new PUSH study published in The Lancet suggests that even flooding the body with water does not stop stone formation inside the urinary system. The kidneys are not a clogged kitchen drain that can simply be flushed clean with pressure. They are a complex biochemical laboratory where crystal formation depends on acidity, diet, and inherited metabolic flaws.\nVolume Does Not Equal Results: The PUSH Study\n\nResearchers divided 1,658 patients with existing kidney stone disease into two groups. The first group received intensive hydration monitoring: smart water bottles, hydration coaches, and even financial incentives for every measured sip. The second group received only the standard medical advice to \"drink more water.”\nThe outcome became a cold shower for hydration enthusiasts. The difference in recurrence rates was only 1.2 percent — 18.6 percent versus 19.8 percent. The findings dealt a serious blow to the \"just add water” concept.",
  "title": "The 'Two Liters a Day' Myth: New Study Challenges Kidney Stone Advice"
}