Earlier this spring, many of us had the privilege to see the solar eclipse while at the same time learn a lesson about defense mechanisms. For those of us who cared about preserving our vision, we ...

Researchers at Karolinska Institutet, led by Dr. Helin Norberg and Dr. Erik Norberg, have identified a previously unknown mechanism that affects the ability of cancer cells to spread in the body. The ...

When confronted with an antibiotic, toxic substance, or other source of considerable stress, bacteria are able to activate a defense mechanism using cell-to-cell communication to 'warn' unaffected ...

It is unpleasant, strange and often comes as a surprise: shame. But why do we feel it? An international study has shed new light on the emotion of shame, which has long been considered harmful. The ...

We feel pretty miserable when we catch a cold or the flu. However, that misery has been carefully engineered by our body's complex defense mechanisms to keep you safe and healthy in the long term.