It’s not possible (or healthy) to avoid sunlight completely, but there are ways to help ensure you’re not getting too much sun:
- If you’re going to be outside, simply staying in the shade, especially during midday hours, is one of the best ways to limit your UV exposure from sunlight.
- Protect your skin with clothing that covers your arms and legs.
- Wear a hat to protect your head, face, and neck.
- Wear sunglasses that block UV rays to protect your eyes and the skin around them.
- Use sunscreen to help protect skin that isn’t covered with clothing.
The US Centers for Disease Control and Prevention (CDC) has also recommended ways for communities to help prevent skin cancer by reducing sun exposure, including educational interventions in schools and providing shade at schools, recreational sites, and work sites.
Source : https://www.cancer.org/healthy/cancer-causes/radiation-exposure/uv-radiation.html