Gene can decide the age of death

Genetic characteristics may be a factor that makes women like sex sooner or later, a study shows.

Photo: Daily Mail.

'Of course, there are no genes that regulate the age at which we perform mating for the first time. But genetic traits are behavioral like impulsivity, curiosity can determine that moment, ' said Nancy Segal, a psychologist at the University of California, USA.

Last year, Oklahoma University scientists discovered that a gene called DRD4 is able to increase the number of neurotransmitters dopamine (which causes a sense of euphoria). The higher the concentration of this substance in the body, the easier it is for individuals to have sex early. Many other studies prove that DRD4 causes impulsive, reckless behavior.

To understand the role of the DRD4 gene for sexual intercourse for the first time, Segal and colleagues studied 48 twins and 23 female twins living together. They interviewed twins about sex life and analyzed the genes of these people.

"Understanding both twins will help us more accurately predict the effect of genes on sexual behavior ," Segal said.

The results showed that one-third of the study participants "got into bed" for the first time before 19 years old. Many twins have sex together early, but in some cases only one person in the pair does so. Most people who have sex for the first time soon have DRD4 gene, but some people with this gene have sex later.

In order to explain this phenomenon, Segal went on to investigate the living environment and educational background of people without DRD4 but who had early sexual intercourse and those who owned the gene but started having sex later. She found that conservative social views can make women sexually late whether they have DRD4 or not. Young women who feel unhappy in their homes or dissatisfied with society tend to make love for the first time sooner. In addition, many other factors are likely to overwhelm the effects of genes.

Joseph Rodgers, a psychologist at the University of Oklahoma, said the findings could explain early sexual orientation in adolescents. However, he suggested that the Segal group's findings should be verified by many other studies.