AP PSYCHOLOGY

Detailed explanation-1: -Many factors contribute to stress. But whatever the cause, stress creates a hormone in your body called cortisol. Cortisol can suppress your immune system’s effectiveness in fighting off invaders by lowering the number of lymphocytes present in the blood and interfering with normal white blood cell communication.

Detailed explanation-2: -Stress raises your cortisol levels, which can weaken your immune system if they stay high for too long. Stress can also damage your body’s own cells and even trigger responses from your immune system, including elevating inflammation, which can make you more susceptible to viruses and infections.

Detailed explanation-3: -On the basis of these findings they proposed a biphasic model in which acute stress enhances, and chronic stress suppresses, the immune response.