You already know that a trip to the beach can give you a nasty sunburn, but the nitty gritty of sun safety is actually much more complex. Wrinkle-causing UVA rays and burn-inducing UVB's can pose a serious risk to your health (and good...

Sunscreen comes in many forms, each with its own impacts on your body and the environment. With so many options, how do you choose which sunscreen is best for you? To answer that question, Mary Poffenroth explains how sunscreens work and...

Howcast - Learn the difference between UVA rays and UVB rays from licensed esthetician Joanna Vargas in this Howcast video.

In this video, we learn about how sunscreen works to protect our skin from the sun's rays. It explains the difference between sunscreens and sunblocks, and how they filter or reflect the light to prevent it from burning the skin....

This article examines the effects of harmful radiation that penetrates through clouds in tropical regions and the resulting risks to the skin. Although clouds typically block sunlight, this study demonstrates that specific types of...