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What is Psychoneuroimmunology?
KPNI examines the human’s mental state, the connection between the nervous and hormonal systems and the immune system, and the interactions between them.
The brain communicates with the autonomic nervous system and the immune system through neuroendocrine activity.
The mental states of the patients, the environment they live in, whether they are stressed and how they live affect the ‘immune system’, which is the defense system of our body, positively or negatively.
In summary, we can treat many diseases listed below with PNI.
The Connection Between Your Brain and Your Immune System
Your body’s first defense against illness or injury is called the “illness” response because it’s what makes you feel sick. It’s what gives you a fever, reduces your appetite, and makes you feel anxious. It also releases stress hormones such as cortisol. The disease response is your body’s attempt to conserve energy to fight an infection.
When your immune cells reach the site of infection, they release cytokines. Your vagus nerve, which runs from your abdomen to your head, has receptors for parts of these cytokines. When these receptors are activated, they send a signal to your brain to make its own cytokines. This causes your brain to send a response to your immune system, which further activates your immune response.
This connection between your brain and immune system works both ways. It doesn’t work without the vagus nerve. If your brain cannot receive the message from the vagus nerve, it will not trigger the disease response. The reverse is also true.