THURSDAY, July 19 (HealthDay News) -- Sex scenes in movies influence teens' sexual behavior, new research suggests.
In the study, U.S. researchers analyzed the sexual content of hundreds of top-grossing movies released between 1998 and 2004, and then asked more than 1,200 kids, aged 12 to 14, which of the movies they had seen.
Six years later, the participants were surveyed to find out how old they were when they became sexually active and whether they engaged in risky sexual behaviors, such as not using condoms consistently and having multiple partners.
Teens who were exposed to more sexual content in movies started having sex at younger ages, had more sex partners and were less likely to use condoms with casual sex partners, according to the study authors.
In an attempt to determine how sex scenes in movies can affect teens' sexual behavior, the researchers focused on a personality trait called sensation-seeking. This trait, which peaks between the ages of 10 and 15, refers to a tendency to seek new and intense forms of stimulation.
The study, which is scheduled for publication in the journal Psychological Science, found that greater exposure to sexual content in movies at a young age led to a higher peak of sensation-seeking in adolescents. Among kids who are exposed to sex scenes in movies, sensation-seeking sexual behavior can last well into the late teens and even into the early 20s, the investigators found.
"These movies appear to fundamentally influence their personality through changes in sensation-seeking, which has far-reaching implications for all of their risk-taking behaviors," Ross O'Hara, a postdoctoral fellow at the University of Missouri, said in a news release from the Association for Psychological Science.
O'Hara conducted the study with other psychological researchers while at Dartmouth College.
Sensation-seeking alone does not entirely explain how sexual conten
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