What cancer-causing radioactive gas is commonly found in homes?

Radon is a naturally occurring radioactive gas that can accumulate in homes, particularly in areas with certain geological conditions, such as high levels of uranium in the soil. It is colorless, odorless, and tasteless, making it difficult to detect without specific testing equipment. When radon is inhaled, it can lead to lung cancer over time, making it a significant health risk in residential environments.

In many regions, homeowners are encouraged to test for radon and take measures to mitigate its presence, as the gas can seep into structures through cracks in floors, walls, and foundations. The risk associated with radon exposure is particularly important in real estate transactions, as sellers are often required to disclose radon levels, and buyers may want to conduct radon testing as part of their due diligence to ensure their health and safety.

By contrast, asbestos is a fibrous mineral formerly used for insulation and fireproofing, known for its potential to cause lung diseases but not typically encountered as a gas. Mercury is a heavy metal that can pose health risks when ingested or inhaled in certain forms, but it is not found as a gas in homes. Carbon monoxide is a colorless, odorless gas produced by burning fossil fuels, but it is