You may think your immune system is only activated when you’re sick. Truth is, it remains active in your body even when you’re perfectly healthy. In fact, It has cells stationed all over the body that are busy performing vital functions, such as those related to energy production and burning fat…

Vitamin D is mired in controversy. Preventive medicine has always sung its praises, while scientists have been skeptical. But not anymore: Researchers have finally proven one form does next to nothing, while the right form fortifies the immune system and keeps infections away. What’s in your bottle?

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…

Magnesium is a critical mineral for hundreds of bodily processes. Now, researchers are exploring exactly how magnesium may help defend the body from cancer — and they’ve discovered it has to do with the immune system…

Meditation is almost magical when it comes to improving your well-being. And researchers have taken notice. In fact, one team recently measured the impact of meditation on the body’s genes and found it could be a powerful ally in boosting your immune defenses…

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…