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How wildfire smoke and poor air quality can affect your health

As firefighters in California get closer to fully containing the fires, people in the region have had to deal with massive amounts of smoke in the air. Thick smog forced many residents to wear masks when going outside. Dr. David Agus joins “CBS This Morning: Saturday” to discuss the health implications of breathing the polluted air and a new study about a drug that could allow those with severe peanut allergies to consume the nut safely.
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