London: Genetic changes in some people cause their skin to become sunscreen and they are safe from the side effects.
This was revealed during a survey on the correlation between vitamin D and genetics. The study evaluated the genes of about 5 million people in the UK and was conducted under the supervision of John McGrath, a professor at the Brian Institute at the University of Queensland.
This research has revealed several genes that are associated with vitamin D. These genes are beyond color and affect the production of vitamin D. In short, these genes also enhance the whole process of vitamin D production. Experts have concluded that the HAL (histidine ammonia lyase) gene transforms the skin internally into a sunblock or sunscreen and also protects against sunburn. In this way some people have the ability to withstand the side effects of sunlight.
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