Just Seeing A (Fake) Sick Person Can Activate Your Immune System

We have all experienced the phenomena of seeing a disturbing or disgusting image that makes us feel physically ill. When the human brain processes certain types of visual images, it can send neural signals to our bodies that result in us feeling nauseated, light-headed, or shaky.

Scientists have now learned that certain types of visual imagery can also turn on our immune systems, even without being physically exposed to an infectious agent.

A team of scientists based in Switzerland