Stress affects health is established knowledge. Whereas some research has proven that stress can be detrimental to the immune system, other research proves otherwise. A meta-analysis of two hundred ninety-three studies that were conducted in the previous thirty years solves the jigsaw puzzle. Two eminent psychologists, Suzanne Segerstrom and Gregory Miller, came up with revolutionary findings:
Stress has negative effects on the immune system.
Stress factors that are short-term stimulate the immune system. The body’s own response, “fight or flight”, prepares the immune system from getting infected through bites, abrasions, and other potential dangers to the human body.
Chronic stress increases the vulnerability of the immune system. If the stress prolongs over a long period of time, the adaptive nature of the “fight or flight” [...]