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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
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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.

summer
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)

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SPF30 Sunscreens may Delay Onset of Skin Cancer

The initial findings were recently presented at the American Association for Cancer Research (AACR) annual meeting 2016" in the US

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Applying sunscreen with SPF30 might be helpful in delaying the onset of Skin Cancer. Pixabay

Application of sunscreens with a sun protection factor 30 (SPF30) prior to exposure to sunlight is likely to delay the onset of skin cancer, finds a new research.

The study, conducted on mice, showed that sunscreens are known to prevent skin from burning when exposed to UV sunlight, which is a major risk factor for melanoma — most serious form of skin cancer.

However, it has not been possible to test whether sunscreens prevent melanoma because these are generally manufactured as cosmetics and tested in human volunteers or synthetic skin models.

“We have developed a mouse model that allows us to test the ability of a sunscreen to not only prevent burns but also to prevent melanoma,” said lead researcher Christin Burd, assistant professor at the Ohio State University.

“This is a remarkable accomplishment. We hope that this model will lead to breakthroughs in melanoma prevention,” he added.

Burd and colleagues previously reported in Cancer Discovery, a journal of the AACR, the development of this mouse melanoma model.

Cancer
Representational image. Pixabay

The researchers genetically engineered mice and found that if they exposed these to a single dose of ultraviolet-B (UVB) light one day after applying the SPF30 chemical 4-hydroxytamoxifen (4OHT) to the skin, melanomas appeared much more rapidly, and there were many more tumours.

The researchers then used the mouse model to test the ability of a number of sunscreens labeled SPF30 to prevent melanoma.

The sunscreens, which contained a range of UV-blocking agents, were applied to the mice prior to exposure to the UVB light. All the sunscreens delayed melanoma onset and reduced tumour incidence.

Also Read: Spend Your Money on The Right Sunscreen

“Melanoma-free survival was reduced by 80 percent, to about five weeks,” said Burd.

The initial findings were recently presented at the American Association for Cancer Research (AACR) annual meeting 2016″ in the US. (Bollywood Country)