With the COVID-19 pandemic still ongoing, and the annual flu season fast approaching, what can people expect when these two illnesses collide? Are we at greater risk for getting either virus? And could this encounter change how we approach health care now and in the future? Matthew Solan,...

Recent record temperatures in the U.S. suggest that heat-related illness isn’t confined to the dog days of summer. Dr. Aaron Bernstein, the interim director of the Center for Climate Health and the Global Environment at the Harvard T.H. Chan School of Public Health, describes the symptoms to...

Right up there on the list of unpleasant medical topics best avoided includes problems that can befall the male genitourinary system. Despite its prosaic purpose, the machinery associated with eliminating waste and fostering procreation possesses a certain artfulness. Usually it can be safely...