People who worry constantly are at greater risk for post-traumatic stress disorder, according to new Michigan State University research published in the journal Psychological Medicine.
Many people experience traumatic events such as the death of a loved one, being assaulted or witnessing violence, but only a small minority develop PTSD, said study author Naomi Breslau, a professor of epidemiology at MSU. (more…)
EAST LANSING, Mich. — Bacteria in hyenas’ scent glands may be the key controllers of communication.
The results, featured in the current issue of Scientific Reports, show a clear relationship between the diversity of hyena clans and the distinct microbial communities that reside in their scent glands, said Kevin Theis, the paper’s lead author and Michigan State University postdoctoral researcher.
“A critical component of every animal’s behavioral repertoire is an effective communication system,” said Theis, who co-authored the study with Kay Holekamp, MSU zoologist. “It is possible that without their bacteria, many animals couldn’t ‘say’ much at all.” (more…)
AUSTIN, Texas — As China’s economy continues to grow, more young adults desire potential mates with good financial prospects, according to new psychology research from The University of Texas at Austin.
In a paper published in the February issue of Personality and Individual Differences, David Buss, an evolutionary psychologist at the university, and a team of researchers found the preference for financial security reflects the extraordinary economic changes in China over the past 25 years. (more…)
