Anton Zabielskyi , Shutterstock The uproar that followed a November episode of Fox's "Glee" in which two teen couples had sex for the first time may have some scientific legs. Included in the main reasons for avoiding sexual activity among teens are fear of pregnancy or STDs, family values, a conscious decision to wait, religious influences, or feeling they are too young. Researchers did various tests on the hamsters at days.
Why do teens decide to go ahead and become sexually active, or wait? All of these are good reasons, and all of these are reasons you can talk to your teen about. The study, which was presented on Nov. As such, more research is needed understand the effects of sex during puberty. She added that testosterone may be linked to structural changes in the brain, including how the dendrites are organized or connected to one another. What do they think are good reasons to wait? So what does influence this decision? A study came out today, stating that the HPV vaccine does not encourage promiscuous behavior among female teens. Weil's team is now researching whether testosterone is the sole mechanism. Morris and his colleagues cautioned, however, that the study should not be used to promote teenage abstinence , as they noted the research was carried out on hamsters and it isn't certain the same conclusion will hold for humans. The group that had sex in adolescence also showed less complexity in the brain's dendrites, thebranching extensions of neurons that receive messages from other nerve cells, and higher expression of a gene associated with inflammation. When placed in water, the animals that had sex at 40 days were more likely to stop swimming vigorously, a symptom of depression, than the other three groups. He cautioned against direct correlations with humans. Certain reproductive tissues, including the seminal vesicles glands in males that secrete ejaculate and vas deferens tube that carries sperm out of the testes , were also smaller in these animals. New research shows sex during the adolescent years could affect mood and brain development into adulthood. Also, prevention efforts should target potential older teenage partners and adult partners of young teenagers. Hormones plus experience "We used the opportunity to have sex, which naturally increases testosterone levels, to see whether these experiences during early life would have long-term consequence," co-author Zachary Weil, a research assistant professor of neuroscience at Ohio State, told LiveScience. Replacing the hormone in adulthood did not restore normal levels of these social behaviors. How young do they think is too young for sex? Anton Zabielskyi , Shutterstock The uproar that followed a November episode of Fox's "Glee" in which two teen couples had sex for the first time may have some scientific legs. Do they have religious views on sex? The study, which was carried out on hamsters, reveals how social experiences during adolescence when the brain is still developing can have broad consequences, say the researchers from Ohio State University College of Medicine. Multivariate analyses examined the associations between family and individual characteristics and having a first sexual experience before age 16 with an older partner, and between age and partners' age difference at first sex and contraceptive use and having or fathering a child as a teenager. Young teenagers and older sexual partners: By asking, not telling. In a new study, the animals will be given the hormone rather than allowed to mate.
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