Researchers trying to unravel the many long-term symptoms of COVID-19 keep finding new ones to add to the list. Now, they’ve discovered the illness can cause the dangerous depletion of the body’s “master antioxidant,” leading to a host of unwanted health effects…

The mouth can be a gateway for all kinds of viruses, including the one that causes COVID-19. And now, researchers have discovered how keeping your mouth healthy can help defend against these viruses — and how letting your oral health lapse can reduce that protection…

Wearing face masks hasn’t gotten easier. Some of us experience skin rashes. They make our noses itch. And it feels like it’s harder to breathe. But if you wear glasses you have to deal with another problem: foggy glasses. And people are reaching for a solution that can lead to impaired thyroid and immune function down the road…

It never hurts to take extra precaution, especially when it comes to the flu. And we have an new reason too, that surprisingly isn’t due to COVID-19. It has to do with common medications found to amplify or dampen how your body reacts to a flu infection.

The “long COVID” phenomenon has been somewhat poorly understood. But researchers are starting to unravel the mysteries surrounding long-haul symptoms that persist months after infection, as well as finding you could be in for a long haul even if your bout with COVID-19 wasn’t that severe…

You’ve certainly heard of long Covid, the phenomenon where people “recover” from the virus that causes COVID-19 but are left with a laundry list of symptoms. However, what you might not know is that if you’re a woman living with long Covid, you may have an extra hard time getting back to normal life, especially if you enjoyed an active lifestyle.

Researchers are all still learning what can be done to stack the odds against COVID-19. Quite a bit of research has been stacking up — including recommendations about vitamin D. The latest? It may help shut down dangerous inflammation in patients with severe infection…

Covid-19’s affinity for blood clots has perplexed doctors almost since day one. Because blood clots can contribute to worse outcomes for those infected, researchers have focused on finding their cause. Some have speculated that the virus infects the blood vessels themselves. But it’s much tricker than that.

For many recovering from a mild COVID-19 infection, dealing with symptoms for a few weeks may have been the least of it, thanks to long COVID syndrome. Research has tried to uncover why some people suffer the phenomenon and others don’t. Turns out, 73 percent of people with long COVID had a prior run in with a well-known virus waiting for this opportunity to wake up…

Did you know that the earliest COVID-19 symptoms are not the same for everyone? We’ve learned a lot through the pandemic and new research shows that, depending upon your age, the early warning signs may be different from what you think. Knowing your earliest symptoms can help you protect yourself and others…

COVID-19 brought big and frightening surprises from the beginning. And the one that might be the most unique is the realization that once you’re supposedly over the virus, you may not be over your symptoms. Can you know if you’re more likely to suffer long COVID? Here’s exactly what to look for…

Orange juice is full of vitamin C which supports the immune system by increasing production of white blood cells that are on the front lines. But there’s more going on behind the scenes. Along with other nutrients, new research shows this old-fashioned remedy gets to the core of what leaves your body defenseless in the face of infection.