The sun gives us light and heat. It also sends UV levels to Earth. These levels are important for our bodies.
We get vitamin D from the sun. This helps our bones stay strong. But too much UV is dangerous.
It can damage our skin and eyes. It can even cause skin cancer. Many people get a tan in summer.
Experts say a tan is not healthy. It means the sun is hurting your skin cells. You can burn on a hot day.
You can also burn on a cool day. Even clouds do not stop all UV rays. You must protect yourself every day.
The UV index uses numbers from 0 to 10. High numbers mean the sun is very strong. You should use sunscreen with SPF 30 or more.
Put it on 30 minutes before you go outside. Use it every two hours or after you swim. Wear a hat and sunglasses too.
m. m. This is when the sun is strongest.
Children need extra care. Their skin is very soft. Old people need protection from the sunlight.
Skin and dark skin both need care. Keep your skin safe so you stay healthy.