4-year-old Sasha from Chelyabinsk has always been a lively, cheerful boy. But suddenly he began to weaken, even to the point of losing consciousness. Tests showed that the boy's hemoglobin was critically low, three times lower than normal. / Kirill Glebovich Kaleda, a priest and rector of the church at the Butovo polygon, had been suffering from severe back pain for several years.