Health News

Estrogen status, not sex, protects against heightened fear recall

A new study shows that markers of fear recall differ between men and women, but in a hormone-dependent manner. Aberrant fear-memory processing in the brain is thought to underlie anxiety disorders, which affect hundreds of millions of people worldwide. The neurobiological mechanisms underlying these disorders remain poorly understood, but recent studies suggest that neural oscillations […]

Health News

Suppression of COVID-19 waves reflects time-dependent social activity, not herd immunity

Scientists at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory and the University of Illinois Urbana-Champaign (UIUC) have developed a new mathematical model for predicting how COVID-19 spreads. This model not only accounts for individuals’ varying biological susceptibility to infection but also their levels of social activity, which naturally change over time. Using their […]