Health

I ran 100 miles in a day, this is what happened to my body

The marathon race has long been considered the ultimate test of human endurance. But the last few decades have seen growing numbers of runners regularly tackling distances exceeding the traditional marathon. So-called "ultra-marathon ...

Immunology

New research may explain severe virus attacks on the lungs

In some cases, immune cells in the lungs can contribute to worsening a virus attack. In a new study, researchers at Karolinska Institutet in Sweden describe how immune cells called macrophages develop in the lungs and which ...

Diseases, Conditions, Syndromes

New insights into the immune system's role in severe COVID-19

By conducting advanced analyses of immune system activation in patients with severe COVID-19, researchers at Karolinska Institutet have managed to identify several cell types that play a key part in the immune response to ...

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