Experts warn against the prevailing belief that RO filtered water is healthiest, highlighting health risks due to mineral depletion. Maintaining TDS levels of 200-250 mg/L is crucial, retaining essential minerals. WHO and health professionals caution against excessive RO use. Adverse effects in countries like Czechoslovakia and Slovakia due to mineral deficiencies are noted. Regulatory bodies emphasize the need for oversight to ensure balanced water purification methods.
