Rowan Jacobsen
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Appearances Over Time
Podcast Appearances
And there's two different wavelengths of UV.
The UVB is the super high energy one.
UVA is a little bit lower.
It's kind of on the way to blue.
And they used to think back in the day that UVB was the only one that caused skin cancer.
And those old sunscreens that we used in the 70s, 80s only blocked UVB.
Window glass blocks UVB, blocks only part of the UVA.
So anytime you're driving or you're hanging out in a window in your house, you're getting a bunch of UVA.
You're not going to burn because UVB is the one that causes burning.
But you're still going to get a bunch of UVA
Which they figured out, like in the 90s, does cause skin cancer.
It blocks the UVB, but...
The UVA comes through, but you'll never have a burn reaction because of it.
And so like in the U.S., people get slightly higher rates of skin cancer on the left side of their body.
In the U.K., they get slightly higher rates of skin cancer on the right side.
So window glass is— Slightly?