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Articles on Immune system

Displaying 161 - 180 of 296 articles

SARS-CoV-2 virus particles (pink dots) on a dying cell. National Institute of Allergy and Infectious Diseases, NIH

What the coronavirus does to your body that makes it so deadly

The new coronavirus, SARS-CoV-2, spreads faster than the H1N1 influenza virus and is much deadlier. SARS-CoV-2 is particularly skilled at keeping cells from calling out for help.
This scanning electron microscope image shows SARS-CoV-2 (round blue objects) emerging from the surface of cells cultured in the lab. NIAID-RML

Coronavirus: A new type of vaccine using RNA could help defeat COVID-19

Traditional vaccines can take years to create. Rather than immunizing people with viral proteins, the new approach gives the molecular instructions that allows the body to make its own vaccine.
Stress about the coronavirus pandemic can actually increase your risk of infection, but exercise can alleviate the immune system’s stress response. Above, a lone jogger in Ottawa, on March 17, 2020. THE CANADIAN PRESS/Adrian Wyld

Anxiety about coronavirus can increase the risk of infection — but exercise can help

The immune system can respond to stress in ways that harm health. But there’s a stress-buster that can help keep you calm and healthy: exercise.
It’s an age-old battle between parents and kids. Alena Ozerova/Shutterstock.com

Do I have to wear a jacket when it’s cold outside?

Leaving your coat at home on a cold winter day doesn’t automatically mean you’re going to get sick. But it could make you more susceptible to germs.
Increased scientific understanding of the role microbes play in humans and other animals has led to the development of probiotics to improve heath. (Shutterstock)

Probiotics: What they are and how you might benefit from them

From dietary supplements to poop transplants, probiotics are now a multi-billion dollar market.
The emotion of lassitude might help your body fight off infection by making certain adjustments. Kalinka Georgieva/Shutterstock.com

Feeling sick is an emotion meant to help you get better faster

Fighting off infection comes with predictable psychological and behavioral features. Now researchers suggest an emotion coordinates this response to help you get better. They call it ‘lassitude.’
Tens of millions of people worldwide suffer from migraines, according to the World Health Organization. Maridav/Shutterstock.com

How does a piece of bread cause a migraine?

Many migraine headaches are triggered by certain foods. Recently, a lot of attention has focused on gluten. An expert explains how a piece of bread can cause pain in your head.
A schoolteacher in the midst of receiving a full pe'a, the traditional Samoan tattoo generally worn by males. Christopher Lynn

Untangling tattoos’ influence on immune response

An anthropologist works in American Samoa, taking advantage of the island’s longstanding tattoo culture to tease out the effects tattoos have on the body’s immune function.

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