Why Does Being in the Sun Make You So Tired?

The video explains why being in the sun can make you feel tired. It highlights how the body works to protect itself from heat, dehydration, and UV damage. The body regulates temperature through sweating, which can lead to dehydration. High temperatures strain the heart and lungs, while UV rays can damage skin cells, potentially leading to skin cancer. The immune system works to repair this damage, causing fatigue. The video concludes with advice on cooling down and rehydrating to mitigate these effects.

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