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Female Lemurs Play It Safe, Live Longer, Study Suggests

By Guest PostMarch 14, 2013Natureadipose tissue, brian gerber, colorado state university, endangered lemur species, escape from predators, females, hormone level, lifestyle, male testes, masculinized genitalia, milne edwards sifaka, mortality risk factors, mystery, patricia wright, primate, rainforest dweller, rainforests of madagascar, ranomafana national park, safer sex, shu fahk, southeastern madagascar, stacey tecot, stephen king, stony brook university, ua anthropologist, university of massachusetts

Females of a little-known primate from the rainforests of Madagascar have been known to outlive their male peers by many years, despite no obvious differences in hormone levels or lifestyle. A team led by a UA anthropologist has found the likely answer to the mystery.

Researchers studying aging in an endangered lemur species report that in old age, females are the safer sex: They live much longer than their male peers.

Females tend to outlive males in many animals, including humans. But in the Milne-Edwards’ sifaka – a rainforest-dweller with orange-red eyes, a black face and woolly dark brown fur – the sexes didn’t seem to differ in any of the ways thought to give females a survival advantage in other animals. (more…)

Safer Sex: Study Examines Sexual Communication in Transgender Community

A new study from North Carolina State University shows that talking about safer sex is a complicated process for individuals in the transgender community. The finding may help efforts to promote safer sex practices in a community facing high HIV rates – and also sheds light on broader questions related to safer sex for everyone.

“The main reason for this study is the fact that we’re seeing evidence of devastatingly high HIV prevalence rates in the transgender community,” says Dr. Kami Kosenko, an assistant professor of communication at NC State and lead author of the study. “The HIV prevalence rate is less than 1 percent for the general U.S. population. But for the transgender population, the HIV prevalence rate is estimated to be as high as 60 percent in major metropolitan areas. Although these are only estimates, they are troubling.” (more…)

Tag Archives: safer sex

Female Lemurs Play It Safe, Live Longer, Study Suggests

Safer Sex: Study Examines Sexual Communication in Transgender Community