Ceiki Symptomya, known as the first name of a Czech physician and one of the founders of modern endocrinology, is a medical phenomenon that is still the subject of controversy and debate among scientists and physicians. Ceika Symptom manifests itself in some cases with pathology of the thyroid gland, when an increased level of the hormones thyroxine and triiodothyronine, which have a beneficial effect on the body, begins to distort the functioning of all human organs and systems. Before we take a closer look at this interesting story, let's first find out what "chains" are. In general, it is a term used to refer to an unusual behavior or condition of any person that was first identified by Doctor Ceika and is considered to be the first clinical case of the disease. The first mention of ceik Symptom was the case of an eighteen-year-old boy named Leo Van Helsdijk, who lived in the Netherlands. Doctor Tseika went to him in 1948 to conduct a routine examination. He noticed that the young man was eating too often and consuming large amounts of food. The young man may have had problems with food preferences or eating disorders, but what the doctor discovered shocked him to a much greater extent. While observing the patient, Tseika noticed that on every particle of food he ate, a tiny drop of saliva was released. The doctor asked if Leo had difficulty swallowing large pieces of food. The young man replied, “No, I just have a lot of saliva,” and the doctor discovered the ceremonies for the first time. This was a turning point, and after several months of careful observation, Ceika was able to detect the same feature in other patients. Some of them produced up to two hundred drops of saliva for each piece of food taken, which leads to a subsequent disease - calcification of the salivary glands. They were also thirsty, unable to refuse food, and had excessive sweating. All of these symptoms are grouped together as “sugar intolerance” and can occur due to excess insulin in the body. This knowledge led to the study of the role of nutrition in the development of symptoms that were later called “Cervical symptoms.”