If you're outside in the summer, most of the sun's harmful UV rays hit you between 10 a.m. and 4 p.m., especially around noon—so staying in the shade or indoors during those hours is the best way to...

Just because it feels hot outside doesn’t mean the sun is strongest—UV rays that cause sunburn peak at noon, but the air keeps getting warmer for hours after. So you can get burned even when it doesn’t feel super hot.

The safety limit for sun exposure at work is too low—many outdoor workers in Lisbon get 3–4 times more sun in a day than the current safety rule allows.

Too much sun exposure can seriously harm your skin by damaging cells, aging it faster, weakening your skin’s defenses, and even leading to skin cancer.