Substance P is a neuropeptide that is a common regulatory compound within your nerves. It is released primarily in your brain stem and in nerve endings. It is released in small amounts on a regular basis as part of normal function of nerves. It is also released in larger amounts as the main way your body processes physical pain and intense stress. Under routine stress, your body simply turns up the volume knob on nerve activity and energy production and when the stress is over everything is supposed to recover. If not, your body enters a wear and tear trend. Substance P is not used as a basic coping mechanism for low-grade stress.

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