Generalities:

It is caused by various agents to which the body is exposed continuously, being unable to eliminate them. It can present as mild or acute chronic intoxication.

Symptoms:

It can affect the body in different ways, from chronic inflammation like allergy: cephaloea, dizziness, drowsiness, alterations of the psyche (irritability, hyperactivity, depression ...) abdominal pain, abdominal distension, gastro-intestinal alteration, gastritis, diarrhea , among others. Symptoms can be confused with food intolerance.