Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Natural killer cells act as the immune system’s rapid-response team, but the stress of anxiety and insomnia may be quietly thinning their ranks. A study of young women in Saudi Arabia found that both ...

Before stepping into a research lab, Joselyn Allen was certain she’d become a veterinarian. However, her fascination with science deepened after she got her first taste of research. Then, following ...