(HealthDay News) -- Asbestos is a mineral fiber that is found in rock and salt. The fibers are strong and heat-resistant, so they have been used in construction materials for insulation and to prevent the spread of fire.
But the fibers can be released into the air during demolition and building repair, increasing a person's risk of developing lung disease.
The U.S. Environmental Protection Agency offers these do's and don'ts for homeowners:
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