Recent research that presented photographs of infectious disease to participants found that, after viewing this pictures, participants

A) sneezed and felt nauseated.
B) reported more trips to the health center that semester.
C) had increased proinflammatory cytokine production.
D) all of the above.

Proinflammatory Cytokine

A chemical secreted by the immune system that promotes inflammation, and is associated with feelings of sickness, depression, and social withdrawal.

Infectious Disease

Diseases caused by pathogenic microorganisms, such as bacteria, viruses, parasites, or fungi that can be spread, directly or indirectly, from one person to another.

Health Center

A facility offering primary and sometimes secondary health care services, often focused on the community or specific patient groups.