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Artículos sobre Immune system

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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.
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.
At least 5,000 Australians die each year as a result of sepsis, more commonly known as blood poisoning. From shutterstock.com

What is sepsis and how can it be treated?

With an ageing population, and the growing threat of antibiotic resistance, now is the time to be worried about sepsis.
If you’re going overseas with your little one, you can vaccinate them against measles early. But they’ll still need their regular jab when they turn one. from www.shutterstock.com

To protect us all, babies travelling overseas may need the measles shot at 6 months instead of 12

Babies are normally vaccinated against measles at 12 months old. But doctors are now suggesting having the shot as early as six months might be worthwhile for youngsters traveling overseas.

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