Sun tanning
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Sun tanning or basking, sometimes also known as sunbathing or sun bathing, is a thermoregulatory or comfort behaviour used by animals, especially birds, reptiles, and insects. It helps raise body temperature, reduces the energy needed for temperature maintenance, or provides comfort. It may also have additional functions of ridding animals of ectoparasites, bacteria, or excess moisture.
Sun Tanning Media
A sun tanned arm showing browner skin where it has been exposed
Photoaging of a woman.
Cross-sectional view showing skin tone becoming darker due to the production of more melanin to overcome DNA damage caused by UV radiation
La promenade (1875) by Claude Monet. At that time in the West, the upper social class used parasols, long sleeves and hats to avoid sunlight's tanning effects.
A tanning bed emits UV radiation.
