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Immune System

Latest Stories

Carolyn Gretton

COVID-19 deals a heavy blow to your ‘master antioxidant’

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…

Carolyn Gretton

The link between oral health and viral defense

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…

Dr. Adria Schmedthorst

The surprising mask danger no one’s talking about

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…

Dr. Adria Schmedthorst

Common prescriptions can amplify a flu infection

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.

Carolyn Gretton

‘Long COVID’ may not be connected to severity after all

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…

Dr. Adria Schmedthorst

Women with long COVID may need extra help regaining activity levels

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.

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Dr. Adria Schmedthorst

The link between vitamin D, inflammation and COVID-19

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…

Dr. Adria Schmedthorst

How COVID-19 tricks arteries into producing blood clots

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.

Joyce Hollman

COVID-19 and our lungs: Double the viral load and a glitch in the immune system

Early on, the experts saw that COVID-19 was a disease that attacks the respiratory system. But why was this virus especially virulent? Was it the secondary infections? Or was it something they discovered in the worst hit: double the viral load in the lungs and glitch in how their adaptive immune system responded…

Dr. Adria Schmedthorst

How an old viral infection increases risk for long COVID

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…

Carolyn Gretton

Two times when COVID-19 is most likely to spread

The Delta variant is reminding us just how easy it is to catch the COVID-19 virus and transmit it. That’s why knowing exactly when someone is most contagious could go a long way toward slowing the spread. Thankfully, researchers have zeroed in on two times when it’s most critical for someone infected with COVID-19 to stay away from others…

Joyce Hollman

Early signs of COVID-19 differ by age: know yours

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…

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