A new longitudinal study sought to identify the factors in adolescence that best predicted who would and would not have a satisfying romantic life in their late 20s. The study found that the skills teens learn in friendships with peers of the same gender were the strongest predictors of later romantic satisfaction.
In a new paper, biologists from the University of California, Riverside, studied the evolution of 40 molly and Limia species, and concluded dorsal fin displays arose first for males to compete with other males, only later being used in courtship displays to females. These changes in fin function went hand in hand with enlargement of the male dorsal fin. The fins reached extreme sizes in a few species and appear to be associated with rapid evolution, especially in mollies.
Most oncologists say they don't know enough about how to treat patients with differences in sexual orientation or identity, but most are also interested in learning more, a new study finds.
A study published in the February 2019 'Pediatrics' journal suggests the majority of gay fathers and their children continue to experience stigma with potentially harmful physical and psychological effects, despite legal, media and social advances. Study participants specifically cited structural stigma, such as state laws and beliefs of religious communities, as affecting their experiences in multiple social contexts.
Scientists have identified 124 genetic variants associated with someone's willingness to take risks. They found evidence of shared genetic influences across a general measure of risk tolerance and many specific risky behaviors, such as speeding, drinking alcohol, tobacco and cannabis consumption, and sexual behavior. No variant on its own meaningfully affects risk tolerance or making risky decisions. Yet, taken together, they shed light on some of the biological mechanisms that influence such behavior.
A budding relationship or just a one-night stand? The difference may not be immediately obvious, least of all to those involved. However, sex helps initiate romantic relationships between potential partners, a new study finds.
Only about half of young people 13 to 26 years old in the United States report ever having time with their regular healthcare provider without a parent or someone else in the room, despite professional guidelines that recommend adolescents and young adults have access to confidential services and time for private discussions. Young people who report having private time or discussing confidentiality have more positive attitudes regarding their healthcare provider and clinical preventive services.
For the first time, a group led by Denise Aumer and Eckart Stolle, at the Martin-Luther-Universität Halle-Wittenberg's Institute of Biology, have finally found the root cause responsible for thelytoky syndrome--which dramatically turns bees from altruistic helpers to selfish mercenaries.
According to a new study that looked at 10 species of vertebrates, evolution used a kind of universal formula for turning non-monogamous species into monogamous species -- turning up the activity of some genes and turning down others in the brain.
If teen partner rape could be predicted, it could be better prevented. Social scientists from Michigan State University are helping close that gap by identifying risk factors linked to sexual violence in young women's first relationships in life.