Should I Wear Sunscreen in the Winter?

The video explains how sunlight, particularly UV radiation, can damage DNA, leading to skin cancer. It describes the types of UV radiation: UVA, UVB, and UVC, and their interactions with the Earth's atmosphere and human skin. The video details how UVB radiation causes specific chemical reactions in DNA, leading to potential mutations. It also highlights the body's repair mechanisms and the importance of protecting skin from excessive UV exposure, even in winter.

What are the three main types of UV radiation mentioned in the text?

Explain how UVB radiation specifically damages DNA.

What happens to the DNA double helix when bases are linked incorrectly due to UV radiation?

How does the body respond to DNA damage caused by UV radiation?

Why is it important to use sunscreen even in winter?