Reduce risk of liver cancer with Sunlight. Sun exposure is inversely associated with risk..

Reduce risk of liver cancer with Sunlight. Sun exposure is inversely associated with risk..

Sunlight fighting liver cancerAlthough liver cancer is generally thought to be related to drinking, other factor such as obesity, HIV infection, smoking, diabetes, socioeconomic factors, drugs and others come into play. A recent study compared sun exposure to liver cancer and adjusted for the aforementioned factors. Sun exposure was shown to be a major factor in reducing the risk of the most prevalent and deadly liver cancer, called hepatocellular carcinoma.[1]

Major finding for liver cancer:

The subjects were divided into five groups, or quintiles, based on their sun exposure. In addition such factors as as outdoor activity, geographical residence, urban or rural settings, etc. were adjusted for.

Most noteworthy, was the fact that for each quintile of increasing sun exposure, there was a 17% decrease in the liver cancer risk.

A disappointment:

The only disappointing part to the study was this: The researchers assumed that the positive influence of sun exposure on liver cancer was due to vitamin D production. And, they may have been correct. Yet the sun causes the body to produce many other photoproducts. Due to the sun’s myriad effects, serotonin, endorphin, BDNF, nitric oxide, and dopamine are all increased. Therefore, it is impossible to know if vitamin D alone was the reason for the reduced risk of liver cancer. However, vitamin D undoubtedly played a large part in the positive results.  And, there is a problem with giving vitamin D the credit without knowing for sure. People may believe, due to this research, that they need only to take a vitamin D supplement to receive all benefits of sunlight. Therefore, they can make very bad assumptions.

This is the first study on sun exposure and liver cancer.

Probably, this is the first research to show a link between liver cancer and inadequate sun exposure. However, there are indications that sun exposure is associated with a reduced risk of another liver ailment, called fatty liver disease.[2]

In conclusion, if you are a liver lover, you can love your liver by protecting it from liver cancer. Hence, you should obtain your share of unscreened, direct, non-burning sun exposure. Happy sunning!

[1] Trang VoPham, Kimberly A. Bertrand, Jian-Min Yuan, Rulla M. Tamimi, Jaime E. Hart,

and Francine Laden. Ambient ultraviolet radiation exposure and hepatocellular carcinoma incidence in the United States. Environmental Health (2017) 16:89.

[2] Gorman S, Black LJ, Feelisch M, Hart PH, Weller R. Can skin exposure to sun prevent liver inflammation? Nutrients 2015 May 5;7(5):3219-39.

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