[Headache in the population of schoolchildren: prevalence, pattern, risk factors].

The paper discusses the prevalence, pattern, and risk factors of childhood headache (HA) according to questionnaire data from 1074 general educational school pupils. Periodic HA was reported by 42.1% of the children.

[Clinical and psychophysiological characteristics of headache in childhood].

Complex clinical psychophysiological as well as neurophysiological examinations of 210 children with migraine, chronic tension headache (CTH) and chronic posttraumatic headache (CPH) were carried out. Detailed comparative description of cephalalgia types is presented. In a CPH structure, predominates CTH (77.

[Anabolic action of flavonoids].

Flavonoids robinin and hyperin lengthen the average survival time of albino mice subjected to bilateral nephrectomy when introduced to the animals intraperitoneally in different doses. The effect of the study substances is inferior to that of dianabol with EU20 of robinin amounting to 82 mg/kg, of hyperin--88 mg/kg and that of dianabol--4.2 mg/kg.