Why are tanning beds worse than the sun?

Tanning beds are worse than lying in the sun. UVA rays penetrate deeper into the layers of the skin, and there is definitely a higher risk of cancer associated with acquiring a tan via tanning bed. ... Tanning beds emit three times more UV rays than the sun. The intensity makes it much more dangerous.

Why are tanning beds dangerous?

Exposure to UV radiation—whether from the sun or from artificial sources such as sunlamps used in tanning beds—increases the risk of developing skin cancer, according to the National Cancer Institute (NCI). Melanoma, the deadliest form of skin cancer, is linked to getting severe sunburns, especially at a young age.