immune system

After a year of isolation, sanitizing and masking, we're slowly reentering the world. Here's how our bodies may react.
Cold showers may seem like the worst idea possible to a lot of us, but with a growing online trend in recent years, we look at the reasons why the people of history used cold water and why it may still be the best way today.
Eat and drink these foods and beverages, and you'll give your immune system the best chance to respond well and recover quickly.
Here's what it means if you have mild or severe reactions to the coronavirus shot, plus advice on how to ease the symptoms.
Here's why people who previously had the coronavirus are being told to still get the shots when it's their turn.
Smoothie and supplement companies might get your hopes up, but don't be fooled.
The promising vaccine, developed by Dr. Anthony Fauci’s colleagues at the National Institutes of Health and Moderna Inc., was the first tested in the U.S.
Tests can show if you've had COVID-19 and could now be immune to it. They might also be wrong.
If you want to up your intake of vitamin C or other supplements to boost your immunity against COVID-19, read this first.
Experts share what you need to know about the blood tests that show a COVID-19 infection and possible immunity.