On: The UV index is not the warm sensation of sunlight on bare skin

[pazimzadeh]

I wish people would stop saying UV without clarifying what wavelength they mean. Damage from UVA and UVB is very different.

UVB light can promote DNA repair pathways:

Enhancement of UVB-induced DNA damage repair after a chronic low-dose UVB pre-stimulation

https://www.sciencedirect.com/science/article/abs/pii/S15687...

UVA can slow down repair of damage from UVB:

Long-wavelength UVA enhances UVB-induced cell death in cultured keratinocytes: DSB formation and suppressed survival pathway

https://pubmed.ncbi.nlm.nih.gov/33978941/