Lack of sunlight can cause cancer Scientists from the University of California at San Diego have found a new cause for the development of colorectal cancer.

This disease may be related to a deficiency of solar ultraviolet radiation, according to BMC Public Health..

The authors analyzed data from 186 countries. They compared ultraviolet radiation and colon cancer incidence across age groups..

Countries with low UV radiation include Norway, Denmark and Canada, with high levels in the UAE, Sudan, India and Nigeria. The results showed that there is a link between low UV radiation and the incidence of cancer, which can be traced in all age groups from 0 to 75 years..

Scientists have suggested this correlation may be related to low vitamin D levels.. But a causal relationship has yet to be proven in further scientific research..

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The human body naturally produces vitamin D when exposed to sunlight. Lack of this substance threatens serious health problems..

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