Worms, worms of various kinds, which the human body in different ways, which severe symptoms of the Allergy syndrome and the intoxication. The unpleasant symptoms of the disease caught the man off guard, but you don't know where to look for the source of the problem.
The worms are extremely common all over the world. Infection with any parasites are characterized by the lack of body weight, chronic fatigue, dizziness, nervousness.