<ul><li>One-third of the world’s children have blood lead levels exceeding the WHO’s recommended level, with water being a primary source.</li><li>The E-Tongue is a low-cost device that allows homeowners to test their tap water for lead, providing accurate results within five minutes.</li><li>Lead exposure can have severe irreversible effects, especially on young children and pregnant women, including reduced IQ and damage to the brain.</li><li>The E-Tongue's effectiveness in detecting lead in tap water was confirmed in a citizen science project involving 317 residents across four Massachusetts towns.</li></ul>

This Inexpensive Device Could Reveal Dangerous Lead in Your Water

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