How do you reduce exposure to background radiation?

To reduce exposure to background radiation, limit time near sources, increase distance, and use shielding materials.

Background radiation comes from natural and artificial sources, including cosmic rays, radon gas, and medical procedures. To minimise exposure, it's essential to understand and apply the principles of time, distance, and shielding.

Firstly, reducing the time spent near radiation sources can significantly lower exposure. For instance, if you live in an area with high radon levels, ensure your home is well-ventilated and consider professional radon mitigation services. Similarly, limit the number of medical X-rays and CT scans you undergo, only having them when absolutely necessary.

Secondly, increasing the distance from radiation sources can also help. Cosmic rays, for example, are more intense at higher altitudes, so living at lower elevations can reduce exposure. Additionally, if you work with radioactive materials, maintaining a safe distance and using tools to handle these materials can minimise your exposure.

Lastly, using shielding materials is an effective way to block or reduce radiation. Dense materials like lead, concrete, and even water can absorb or deflect radiation. In medical settings, lead aprons are commonly used to protect patients during X-rays. At home, ensuring your property is built with materials that can block radon gas, such as concrete foundations, can help reduce exposure.

By understanding and applying these principles, you can effectively reduce your exposure to background radiation and protect your health.