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Fifteen facts you probably never knew
about vitamin D and sunlight exposure.
(Compiled by Mike Adams, based on an
interview with Dr. Michael Holick,
The UV Advantage)
Vitamin D prevents osteoporosis,
depression, prostate cancer, breast
cancer, and even effects diabetes and
obesity. Vitamin D is perhaps the single
most underrated nutrient in the world of
nutrition. That's probably because it's
free: your body makes it when sunlight
touches your skin. Drug companies can't
sell you sunlight, so there's no
promotion of its health benefits. Truth
is, most people don't know the real
story on vitamin D and health. So here's
an overview taken from an interview
between Mike Adams and Dr.
- Vitamin D is produced by your
skin in response to exposure to
ultraviolet radiation from
- The healing rays of natural
sunlight (that generate vitamin D in
your skin) cannot penetrate glass.
So you don't generate vitamin D when
sitting in your car or home.
- It is nearly impossible to get
adequate amounts of vitamin D from
your diet. Sunlight exposure is the
only reliable way to generate
vitamin D in your own body.
- A person would have to drink ten
tall glasses of vitamin D fortified
milk each day just to get minimum
levels of vitamin D into their diet.
- The further you live from the
equator, the longer exposure you
need to the sun in order to generate
vitamin D. Canada, the UK and most
U.S. states are far from the
- People with dark skin
pigmentation may need 20 - 30 times
as much exposure to sunlight as
fair-skinned people to generate the
same amount of vitamin D. That's why
prostate cancer is epidemic
among black men -- it's a simple,
but widespread, sunlight deficiency.
- Sufficient levels of vitamin D
are crucial for
calcium absorption in your
intestines. Without sufficient
vitamin D, your body cannot absorb
calcium, rendering calcium
vitamin D deficiency cannot be
reversed overnight: it takes months
of vitamin D supplementation and
sunlight exposure to rebuild the
body's bones and nervous system.
- Even weak sunscreens (SPF=8)
block your body's ability to
generate vitamin D by 95%. This is
sunscreen products actually
cause disease -- by creating a
critical vitamin deficiency in the
- It is impossible to generate too
much vitamin D in your body from
sunlight exposure: your body will
self-regulate and only generate what
- If it hurts to press firmly on
your sternum, you may be suffering
from chronic vitamin D deficiency
- Vitamin D is "activated" in your
body by your kidneys and liver
before it can be used.
- Having kidney disease or liver
damage can greatly impair your
body's ability to activate
circulating vitamin D.
- The sunscreen industry doesn't
want you to know that your body
actually needs sunlight exposure
because that realization would mean
lower sales of sunscreen products.
- Even though vitamin D is one of
the most powerful healing chemicals
in your body, your body makes it
absolutely free. No prescription
Diseases and conditions cause by
vitamin D deficiency:
- Osteoporosis is commonly caused
by a lack of vitamin D, which
greatly impairs calcium absorption.
- Sufficient vitamin D prevents
breast cancer, ovarian cancer,
depression, colon cancer and
- "Rickets" is the name of a
bone-wasting disease caused by
vitamin D deficiency.
- Vitamin D deficiency may
exacerbate type 2
diabetes and impair insulin
production in the pancreas.
- Obesity impairs vitamin D
utilization in the body, meaning
obese people need twice as much
- Vitamin D is used around the
world to treat Psoriasis.
- Vitamin D deficiency causes
- Seasonal Affective Disorder is
caused by a melatonin imbalance
initiated by lack of exposure to
- Chronic vitamin D deficiency is
often misdiagnosed as fibromyalgia
because its symptoms are so similar:
muscle weakness, aches and pains.
- Your risk of developing serious
diseases like diabetes and
cancer is reduced 50% - 80%
through simple, sensible exposure to
natural sunlight 2-3 times each
- Infants who receive vitamin D
supplementation (2000 units daily)
have an 80% reduced risk of
developing type 1 diabetes over the
next twenty years.
Vitamin D deficiency statistics:
- 32% of doctors and med school
students are vitamin D deficient.
- 40% of the U.S. population is
vitamin D deficient.
- 42% of African American women of
childbearing age are deficient in
- 48% of young girls (9-11 years
old) are vitamin D deficient.
- Up to 60% of all hospital
patients are vitamin D deficient.
- 76% of pregnant mothers are
severely vitamin D deficient,
causing widespread vitamin D
deficiencies in their unborn
children, which predisposes them to
type 1 diabetes, arthritis, multiple
sclerosis and schizophrenia later in
life. 81% of the children born to
these mothers were deficient.
- Up to 80% of nursing home
patients are vitamin D deficient.