For men, low testosterone means high risk of severe COVID-19

Throughout the pandemic, doctors have seen evidence that men with COVID-19 fare worse, on average, than women with the infection. One theory is that hormonal differences between men and women may make men more susceptible to severe disease. And since men have much more testosterone than women, some scientists have speculated that high levels of […]

Colored light investigated to control irregular heartbeat noninvasively

The National Institutes of Health (NIH) has awarded a $2.1 million four-year grant for cardiac optogenetics research led by Chao Zhou, PhD, associate professor of biomedical engineering at the McKelvey School of Engineering. Cardiac optogenetics allows researchers to control the opening and closing of ion channels, simulating different kinds of heart conditions, all the way […]