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What caused Milwaukee's school lead crisis?

CNN Chief Medical Correspondent Dr. Sanjay Gupta travels to Milwaukee, where several school buildings have closed due to aging paint that exposed children to lead, a neurotoxin.

3:54 • Source: CNN
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What caused Milwaukee's school lead crisis?
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This image made with the Iseult Magneton 11.7 T MRI shows a brain during a magnetic resonance imaging (MRI) exam simulation at the Neurospin facilities in the Paris-Saclay Alternative Energies and Atomic Energy Commission (CEA - Commissariat a l'energie atomique et aux energies alternatives) centre in Gif-sur-Yvette, on March 22, 2024. "Iseult", the world's most powerful MRI scanner, has delivered its first images of the human brain and is expected to provide a better understanding of its functioning and of certain neurodegenerative and psychiatric diseases. The technical feat is the result of a French-German partnership which has required more than 20 years of research. (Photo by Alain JOCARD / AFP) / RESTRICTED TO EDITORIAL USE - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION (Photo by ALAIN JOCARD/AFP via Getty Images)
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Scientists discover how 'super agers' stay mentally sharp
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Former CDC official: 'Very concerned' about Trump's surgeon general pick
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There's a shortage of estrogen patches. A board certified gynecologist shares her advice.
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"We're going to make the prices fair": Dr. Oz joins CNN to discuss newly launched "Trump Rx" site for prescription medicine
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Parents are buying landlines instead of cell phones for their kids
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1972: In this handout from the Centers for Disease Control and Prevention (CDC), a histopathology of measles pneumonia is seen in this microscope image from 1972. Measles outbreaks have been reported throughout the U.S., with the latest reported February 5, 2015 at a daycare in suburban Chicago where as many as five children under the age of one have been infected. (Photo by CDC via Getty Images)
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London measles outbreak spreads in children
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