[Medicosocial, demographic, and hygienic characteristics of the health status of adolescents, preconscripts, and conscripts].

Demographic analysis indicated the preponderance of adolescents and young men from workers' families. Analyzing the distribution of young men by follow-up groups showed that the largest number of young men in the workers' families belong to Group 2 (61.3%), those in the employees' families to Group 3 (46.

[Risk factors in preconscripts and conscripts].

The most significant risk factors (RFs) that determine an increase in the incidence of chronic non-communicable diseases in young males are alcohol and drug abuse (73.3% and 15.1%, respectively), low physical activity (78.

[The development of a Proteus mirabilis macrocolony on a solid nutrient medium].

As revealed in this study, the macrocolony of Proteus mirabilis, formed on solid culture medium, may consist both of the main part and of sporadically appearing dissociating subcolonies, considerably differing one from another. The outer edge of the main part of the macrocolony of swarming cells is represented by bacteria located in three perpendicular directions. The next intermediate area consisting of two layers is represented by bacteria oriented, as a rule, in one direction.