Thursday August 16, 2018

Higher Vitamin D Levels Linked to Lower Colorectal Cancer Risk, Study Finds

High Vitamin D levels associated with low colon cancer risk

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Higher Vitamin D Levels Linked to Lower Colorectal Cancer Risk, Study Finds
Higher Vitamin D Levels Linked to Lower Colorectal Cancer Risk, Study Finds. Pixabay
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Consuming a Vitamin D rich diet is not only beneficial for your bones but can also keep colorectal or colon cancer at bay, a new study shows.

Compared to participants with circulating vitamin D concentrations considered sufficient for bone health, people with deficient concentrations of the vitamin had a 31 per cent higher risk of colon cancer.

Similarly, concentrations above bone health sufficiency were associated with a 22 per cent lower risk. However, risk did not continue to decline at the highest concentrations.

“Currently, health agencies do not recommend vitamin D for the prevention of colorectal cancer,” said Marji L. McCullough, epidemiologist at the American Cancer Society.

Cancer
Representational image. Pixabay

“This study adds new information that agencies can use when reviewing evidence for vitamin D guidance and suggests that the concentrations recommended for bone health may be lower than would be optimal for colorectal cancer prevention,” he added.

According to the researchers, optimal vitamin D concentrations for colorectal cancer prevention may be higher than the current National Academy of Medicine recommendations, which are based only on bone health.

The study, published in Journal of the National Cancer Institute, included data from 5,700 colorectal cancer cases and 7,100 controls.

Also Read: Outdoor Jobs Carry Different Risks of Skin Cancer

Further, the association was noticeably stronger in women than men at concentrations above bone health sufficiency, the researchers said.

Vitamin D can be obtained in the diet, particularly from fortified foods, from supplements, and from sun exposure. However, experts recommend vitamin D be obtained through diet whenever possible because excessive ultraviolet radiation is a major risk factor for skin cancer. (IANS)

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Sunscreens May Cause Vitamin D Deficiency

However, it is important to forgo sunscreen during these sessions because SPF 15 or greater decreases Vitamin D3 production by 99 per cent, the researchers said

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Wear a sun block (at least SPF 30) especially in coastal areas or while you're in water as body tends to feel more burn in scorching heat when you are in water. Pixabay

While sunscreens are known to protect against skin cancer, they may be inadvertently making you deficient in Vitamin D, causing muscle weakness and bone fractures, researchers warned.

According to the study, published in the Journal of the American Osteopathic Association, nearly one billion people worldwide may be having deficient or insufficient levels of Vitamin D due to inadequate sun exposure related to sunscreen use.

“People are spending less time outside and, when they do go out, they’re typically wearing sunscreen, which essentially nullifies the body’s ability to produce Vitamin D,” said Kim Pfotenhauer, Assistant Professor at Touro University in California.

“While we want people to protect themselves against skin cancer, there are healthy, moderate levels of unprotected sun exposure that can be very helpful in boosting Vitamin D,” Pfotenhauer said.

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You don’t need to go sunbathing at the beach to get the benefits. A simple walk with arms and legs exposed is enough for most people. Pixabay

In addition, the study also showed that chronic diseases like Type 2 Diabetes and those related to malabsorption, including kidney disease, Crohn’s and celiac disease greatly inhibit the body’s ability to metabolise Vitamin D from food sources.

Considered a hormone rather than a vitamin, Vitamin D is produced when skin is exposed to sunlight. Vitamin D plays a wide role in the body’s functions, including cell growth modulation, neuromuscular and immune function and inflammation reduction.

Spending as much as five-30 minutes in midday sun twice per week may help increase and maintain healthy Vitamin D levels.

Also Read: Overuse of Beauty Creams Causes Acne, Damages Skin: Expert

However, it is important to forgo sunscreen during these sessions because SPF 15 or greater decreases Vitamin D3 production by 99 per cent, the researchers said.

“You don’t need to go sunbathing at the beach to get the benefits. A simple walk with arms and legs exposed is enough for most people,” Pfotenhauer noted. (Bollywood Country)