
The World's Most Unavoidable Carcinogen
Season 3 Episode 32 | 3m 4s
Let’s take a look at how UV rays affect your body and built-in chemical defense systems.
There's some vibrant chemistry that happens between your skin and the sun rays. Out in the open air on a beautiful summer day, most people don’t realize that they’re bathing in the world's most common carcinogen – the sun's rays. Ultra violet (UV) rays to be exact. Let’s take a look at how UV rays affect your body, and the sorts of built-in chemical defense systems you're working with.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback

The World's Most Unavoidable Carcinogen
Season 3 Episode 32 | 3m 4s
There's some vibrant chemistry that happens between your skin and the sun rays. Out in the open air on a beautiful summer day, most people don’t realize that they’re bathing in the world's most common carcinogen – the sun's rays. Ultra violet (UV) rays to be exact. Let’s take a look at how UV rays affect your body, and the sorts of built-in chemical defense systems you're working with.
Problems playing video? | Closed Captioning Feedback
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