The COVID toe mystery still has experts scratching their heads. Looking back they’re asking what’s really behind the phenomenon. You may find this hard to believe, but a debate has arisen as to whether COVID is even the cause of these discolored, painful toes…

Some viruses that have a history of affecting male sexual health rarely occur in the U.S. But many men have been experiencing erectile dysfunction, testicular pain and prostate problems after a COVID-19 infection. A PET scan that showed how the virus spreads through the male genital tract explains why…

As we’re coming out of the omicron wave, many places are beginning to lift mask mandates, but there are still areas where you may still need to wear a mask — like on public transit and airplanes, as well as in airports. That begs the question: How often can you reuse an N95 mask?

Brain fog, fatigue and other neurological and psychiatric symptoms of long COVID syndrome plague many survivors. But there may be more to deal with, including markers of brain damage normally seen with Alzheimer’s…

If you ever needed an argument to believe that food is medicine, then this should get your attention: In a tale of two Japanese cities, one seems to have defied the worst of COVID-19, and doctors believe it comes down to their blue zone diet…

Long COVID can keep people from returning to living their normal lives. Researchers have struggled to find a commonality between the young and old, and mild and severe infections that result in it. Until they dug into the single source that supplies energy to every cell in the human body…