Genetic Specialties Are The Reson For The Dependancy On Sunbathing
Some people on the beach prefer to spend time in the shade. Others continue to sunbathe, despite the risk of skin cancer. Over the past 50 years, the incidence of skin cancer has increased greatly. According to the World Health Organization (WHO), are registered annually 132,000 new cases of melanoma and 2-3 million cases of other types of skin cancer.
Experts from Yale University analyzed the saliva samples of 292 people. In 79 participants had symptoms of tanning addiction - psychological dependence from ultraviolet rays. Its symptoms are similar to symptoms of substance dependence. Man feels an irresistible urge to sunbathe, do it often and for a long time despite adverse consequences, and suffers from withdrawal syndrome.
The researchers found the differences in PTCHD2 gene expression among volunteers suffering from tanning addiction and the participants without unusual dependence. Changes in this gene proved to be closely related to the dependence on sunbathing. Scientists hope: their discovery will help to develop measures that will protect people from the adverse effects of tanning addiction.