Clouds Don’t Block UV
Cloudy skies can still allow significant UV exposure. Learn why clouds do not block all UV rays and how to protect your skin outdoors.
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Cool Air Doesn’t Mean Low UV
A cool day can still bring strong UV exposure. Learn why temperature is not the same as UV intensity and why the UV Index matters.
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Shade Doesn’t Stop All UV
Shade helps reduce UV exposure, but it does not block it completely. Learn why sunscreen, clothing, and UV Index checks still matter.
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Sunscreen’s Vitamin D Effect Isn’t What You Think
Worried sunscreen is blocking your vitamin D? Here’s what the newest research actually shows — and where your vitamin D should really come from.
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Car Windows Don’t Block UV Like You Think
Car windshields block most UV, but side windows don’t. See what a JAMA study found about UV exposure while driving and how to protect your skin.
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Why “Sunblock” Isn’t a Real Thing
The FDA and Australia’s TGA both banned the word ‘sunblock’ from sunscreen labels. Here’s why the term is misleading and what to look for instead.