January 14, An international group of scientists has identified genetic variants associated with a person's willingness to take risks, as reported in a study published today in Nature Genetics. The scientists highlight that no variant on its own meaningfully affects a particular person's risk tolerance or penchant for making risky decisions, and non- genetic factors matter more for risk tolerance than genetic factors. Yet, taken together, the genetic variants identified in the study shed light on some of the biological mechanisms that influence a person's willingness to take risks.
Here's how to inoculate ourselves against negative ones. Verified by Psychology Today. Hormones and the Brain. Classic experiments in the and 60s showed us how the brains of animals determine whether they would behave as males or females.
The reasons behind why people are gay, straight or bisexual have long been a source of public fascination. Indeed, research on the topic of sexual orientation offers a powerful window into understanding human sexuality. Among the indigenous Zapotec people in southern Mexico, individuals who are biologically male and sexually attracted to men are known as muxes. They are recognized as a third gender: Muxe nguiiu tend to be masculine in their appearance and behavior; muxe gunaa are feminine. In Western cultures, they would be considered gay men and transgender women, respectively.
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