We evolved with the sun. We need the sun. We need to make that vitamin D. But it’s just a matter of not overdoing it. Killing skin cells isn’t good. I would wear it if I had to be in the sun for awhile…beach, game, etc.
I used to laugh at those tanning beds that claimed you could get a tan without a burn. They’re essentially just UVA. The wavelengths are longer and go deeper into your skin versus UVB. The UVB does faster damage to the surface skin, but your body quickly gets the signal and tells you to gtfo of the sun. The UVA is different and leads to a lot of those deeper melanoma cases. That’s why truck drivers get skin cancer on their left side often…the side window glass blocks UVB but not UVA.