<human>: How can I make sure that my home is safe from radon gas?
<bot>: To ensure your home is safe from radon gas, you should test for it regularly. You can purchase a radon detector or use a DIY method to measure the levels in your home. Additionally, you can take steps such as sealing cracks and openings around the foundation of your house, using ventilation systems, and reducing moisture sources to reduce the amount of radon gas in your home.