Can You Be Allergic To Sunlight?

The video discusses the dangers of UV radiation, including DNA damage and sun allergies like solar urticaria and polymorphous light eruption (PMLE). Solar urticaria causes hives due to an immune response, while PMLE results in delayed rashes. Both conditions are rare, with PMLE being more common. The video also explores theories about these allergies and offers additional resources for learning about immune system reactions.

What new insight or understanding did you gain from this video?