Vim & Vigor - Summer 2018 - University of Virginia - 45

HOW TO
DEFEND
YOUR SKIN

DAMAGE
The sun's rays that hurt skin are the infamous,
invisible ultraviolet A and B. They stream through
clouds and reﬂect oﬀ snow and sand, and some
penetrate untreated car door windows. Exposure
degrades skin's elasticity (leading to sagging and
wrinkles) and contributes to hyperpigmentation
(age spots). Radiation from UV rays, including
ones from tanning beds, can disrupt your skin
cells' DNA. Your body repairs many of the genetic
mutations, but the healing process is not perfect
and some damage can remain, Baxt says. Cells
with altered DNA could duplicate out of control.
That's cancer.

SKIN TONE
Your body tries to prevent further sun injury by making
more protective melanin, which gives your skin its color
and causes freckles in some people. That's why you may get
"tan," though that darker hue is a sign of skin damage itself.
While lighter-skinned people burn faster and get skin cancer
more commonly, Baxt encourages people with darker tones
to also be diligent about protecting and screening their skin.
Their cancer often reaches more serious stages because they
didn't think they were at risk, she says. ■

Sunblock with broad-spectrum protection helps prevent both UVA and UVB
rays from penetrating skin cells. But
it's only one part of sun safety, along
with tried-and-true precautions such as
seeking shade and wearing a hat, says
Rebecca Baxt, MD, with the American
Academy of Dermatology.
No sunscreen can block 100 percent
of UV rays, and it lasts only a couple of
hours, or less when you're swimming,
sweating or in the wind, she adds.
"Sunscreen is not a complete and total
block. People think they're going to put
sunscreen on and be completely safe.
They're not."

DOWNLOAD

Map Your Moles
Keeping track of your moles and
their characteristics (like size,
shape and color) can help you
know whether you need to see a
dermatologist to look at a problem area. For help doing this, visit
aad.org and search "body mole
map" for a printable form.

SUMME R 2018

45

http://www.aad.org

Table of Contents for the Digital Edition of Vim & Vigor - Summer 2018 - University of Virginia

Contents
Vim & Vigor - Summer 2018 - University of Virginia - Cover1
Vim & Vigor - Summer 2018 - University of Virginia - Cover2
Vim & Vigor - Summer 2018 - University of Virginia - Contents
Vim & Vigor - Summer 2018 - University of Virginia - 2
Vim & Vigor - Summer 2018 - University of Virginia - 3
Vim & Vigor - Summer 2018 - University of Virginia - 4
Vim & Vigor - Summer 2018 - University of Virginia - 5
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Vim & Vigor - Summer 2018 - University of Virginia - 44
Vim & Vigor - Summer 2018 - University of Virginia - 45
Vim & Vigor - Summer 2018 - University of Virginia - 46
Vim & Vigor - Summer 2018 - University of Virginia - 47
Vim & Vigor - Summer 2018 - University of Virginia - 48
Vim & Vigor - Summer 2018 - University of Virginia - 49
Vim & Vigor - Summer 2018 - University of Virginia - 50
Vim & Vigor - Summer 2018 - University of Virginia - 51
Vim & Vigor - Summer 2018 - University of Virginia - 52
Vim & Vigor - Summer 2018 - University of Virginia - 53
Vim & Vigor - Summer 2018 - University of Virginia - 54
Vim & Vigor - Summer 2018 - University of Virginia - 55
Vim & Vigor - Summer 2018 - University of Virginia - 56
Vim & Vigor - Summer 2018 - University of Virginia - Cover3
Vim & Vigor - Summer 2018 - University of Virginia - Cover4
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