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The problem of the lack of offspring is a phenomenon concerning approximately 15% of married couples in Poland. Infertility is defi ned as inability to conceive after a year of sexual intercourses without the use of contraceptives. In half of the cases the causative factor is the male. Males are exposed to the effect of various environmental factors, which may decrease their reproductive capabilities...
The organism of a pregnant woman constitutes the environment for the developing embryo. The outside world influencing the mother’s organism affects not only her health but also her unborn baby’s health. The aim of the work is to analyze the qualitative changes in pregnant women’s diet and to specify the sociodemographic and environmental conditions determining the quality of the diet. The research...
The aim of the study was an attempt to evaluate the state of health of adolescents aged 15 years, living in Podlasie region near the border of Poland and Bielorus. Data from the Schoolchild Development and Health Investigation Charts covering 197 rural and 208 urban adolescents were analyzed. The significance of differences between the two populations were tested by Chi-square test at the level of...
Microbial quality of water in a dental unit is of considerable importance since patients and dental staff are regularly exposed to water and aerosol generated by the unit. Water delivered to a dental unit by the so-called independent water system is the water coming from a reservoir which, at the same time, is an initial part of dental unit waterlines (DUWL). Thus, microbiological quality of this...
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