Where do sensations in the body come from?

If you have an anxiety disorder, psychosomatics or hypochondria, then you should definitely know what could be causing the sensations in your body. So the question is:

Where do sensations in the body come from?

The simplest and one of the most rarely encountered (in practice) answers to this question sounds like this:

- your body is sick

Everything is simple here. The disease involves dysfunction, disruption of organs and tissues. Which leads to the discomfort that you notice. From which you suffer. Which foreshadows problems in the future.

An important nuance is that the prognosis of diseases is often unfavorable.

The second and obvious answer is that your body is tired.

This answer is also quite simple and obvious. True, the range of reactions in your body that can occur during fatigue is greatly underestimated. After all, bodily fatigue includes not only drooping eyes or the urge to lie down. Fatigue occurs in response to a variety of circumstances. Long-held posture, heat, cold, thirst, hunger, lack of sleep, intellectual or physical stress — all these factors cause tissues and organs to work worse and can easily produce symptoms up to pain, impotence and vegetative explosions (in the form of nausea, shortness of breath, impaired bowel function or, for example, tachycardia).

An important nuance is that the prognosis for fatigue is almost always favorable…