D Questions and Answers
Dr. Ben Kim
follows are answers to three of the most common questions that I received
in response to my post on How
to Make Sure that You Are Getting Enough Vitamin D for Your Best Health
Won't regularly getting sunlight on my skin increase my risk of melanoma?
exposure to sunlight - getting about 25 to 50% of your minimal erythemal
dose, as described in the post cited above - shouldn't increase your
risk of experiencing melanoma.
sunburned is definitely a risk factor for melanoma. More specifically,
the number of sunburns experienced before turning 30 years of age
is strongly correlated with risk of developing melanoma.
long as you're responsible about your exposure to sunlight and you
avoid getting sunburned, getting sunlight on your skin to manufacture
vitamin D and related photo products should not be detrimental to
studies by Dr. Frank Garland and Dr. Cedric Garland indicate that
people who work outdoors have lower incidence rates of melanoma than
people who work indoors for a living.
Holick points out that "despite the fact that the United States was
for several centuries a rural, agricultural-based nation whose citizens
were outdoors much of the time, melanoma was so rare that separate
statistics weren't kept on the disease until the 1950s."
be sure to discuss melanoma in more detail in a future post.
I live up north. There are some days in January and February when
I can open my window and sit right under the sun and get a bit of
a tan. Is my body making vitamin D when I do this?
you live above 35 degrees latitude north or below 35 degrees latitude
south, then during the winter months, the angle of the sun's rays
are such that UV-B rays won't reach you.
answer is no, even if you feel warmth on your skin from the sun's
rays through an open window on a winter day, your body won't generate
vitamin D if you live 35 degrees above or below the equator.
winter months in these locations, your body must rely on stores of
vitamin D that were produced during warmer months and/or on vitamin
D that you get through your diet.
supplemental options that we use for different circumstances are:
Whole Food Vitamin D-3 Formula, 1000 IU
D Drops, 1000 IU
two options, my strong preference is our 100% whole food tablet version
of vitamin D-3, which comes with a variety of natural elements - like
organic beets, carrots, parsley, broccoli, CoQ10, and a variety of
enzymes and amino acids - to support optimal immune system strength.
Can using a tanning booth give you the UV-B that you need to produce
vitamin D through the skin?
but there are a number of variables at play with tanning beds - mainly
having to do with hygiene and excessive exposure to radiation without
knowing about it - for me to feel that it's better for most people
to rely on a combination of natural sunlight and supplementation with
whole food sources of vitamin D-3.
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