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Background. Eating behaviours play a key role in lives of young people who stay physically active. They influence both their correct development and performance. Objective. Evaluation of selected eating behaviours of girls and boys attending sport-oriented classes and identification of differences between eating behaviours of studied groups. Materials and Methods. 460 students attending sport-oriented classes in Poland participated in the study. A questionnaire prepared by the author of the study was the research tool. The data was gathered in Microsoft Office Excel 2010 worksheet. Statistical analysis was made with the use of StatSoft, Inc. Statistica version 10.0. Results. The questioned students most often had 4-5 meals a day- such an answer was given by 59.09% of the boys and 41.38% of the girls. 55.59% and 41.95% of them respectively had breakfast within 30 minutes from waking up and 41,96% of the girls and 39.51% of the boys had supper 2-3 hours before going to sleep. Whole meal bread and/or groats were most frequently consumed a few times a day as it was declared by 50.35% of the boys and 45.98% of the girls. The highest percentage of the respondents consumed vegetables at least once a day (31.61% of the girls and 31.47% of the boys). 44.83% of the girls and 40.9% of the boys declared eating fruit a few times a day. Conclusions. Studied eating behaviours of girls and boys in sport-oriented classes are largely wrong and require correction. The analysis of the gathered data indicated statistically significant differences between boys’ and girls’ eating behaviours, however, the boys’ habits were better.
Background. Eating behaviours of school-aged youth condition their emotional and psychophysical development. Moreover, they influence the effectiveness of learning and affect one’s health and the quality of life at older age. Objective. The objective of the study was the evaluation of eating behaviours of the group of pupils from cities of the Upper Silesian region, as well as the identification of differences between middle-school and secondary-school pupils’ eating behaviours. Material and methods. 902 pupils (474 middle-school and 428 secondary-school pupils) participated in the study. The research materials included questionnaires prepared by the author of the study, containing the questions about the pupils’ eating habits. Results. The middle-school pupils constituted 52.5% of the 902 pupils and the secondary-school pupils were 47.5% of the total. On average, 38.2% of the pupils consumed 4 meals daily. Wholemeal bread and/or groats were eaten daily by 34.4% of the pupils. Milk and/or milk drinks were consumed by 56.3% of the pupils every day and 33.5% of the respondents had also fermented milk drinks daily. 61.3% of the participants declared eating meat at least once a day and 44.9% of the pupils had fish once or twice a week. Vegetables and fruit were eaten daily by 61.4% and 66.6% of the pupils respectively. Sweets were consumed at least once a day by 50.6% of the pupils. Occasional consumption of fast-food products and ready-made meals was declared by 63.9% and 49.7% of the pupils respectively. Conclusions. Eating behaviours of the discussed group of pupils are mostly incorrect. There were differences found between the middle-school and secondary-school pupils‘ eating habits. The differences concerned the frequency of eating cheese and curd cheese, fruit, leguminous plant seeds, sweets, fast food products, sweetened drinks and ready-to made food products.
Background. Food less frequently used to provide the necessary nutrients for the survival and the body begins to play a role, which it is not able to cope with, leading to a dysfunctional its use. In an era of obesity, excessive interest in his appearance and lean silhouette assigning too much significance relates to a growing number of young women. Young women due to a period of their procreative years are particularly vulnerable to the consequences of abnormal eating habits that threaten the health of women and their offspring. Objectives. In young women of reproductive age, to determine the emotional and habitual reasons behind binge eating and the effect that restriction diets can have for achieving desired body mass in relation to physical activity and the willingness to improve their weight. Material and methods. Subjects surveyed were 372 women aged 18 to 27 years (mean 20.6 ± 1.4) who answered a questionnaire on dietary behaviour devised by Ogińska-Bulik and Putyński [21] which had been extended to include body mass perception/image, adoption of slimming diets, levels of physical activity and place of residence. The women’s actual body mass, height and body fat (adipose tissue content) were also measured. Results. Most subjects (63.9%) were dissatisfied with their figures whilst 33.5% underwent slimming diets at least once. Those overweight, complained much more about their figures compared to normal weight women (97.9% vs. 65.1%, p<0.01), as well as being respectively more emotionally prone to overeating (4.5 ± 2.2 vs. 5.2 ± 2 points round, p <0.01), but less for adopting any dietary restriction (3.5 ± 2.7 vs. 4.8 ± 2.3, p <0.01). Conclusions. It seems necessary to create a prevention and educational programs on proper nutrition and the perception of one’s own body as effective tools in reducing eating disorders in terms of the health of young women and multigenerational inheritance health of their offspring.
Several recent studies have clarified the link between microwear features and diet among living carnivorans, but it is still unclear whether previously interpreted evolutionary trends for dietary specialization, based on examination of enamel microstructure, are consistent with such insights from microwear analysis. This study examined the relationship between microwear and microstructure features using a sample of fossil hyaenids and canids. Hunter−Schreger Bands (HSB) and microwear features were examined at the same magnification level using optical stereomicroscopy. Multiple trials conducted on each specimen showed higher variance of smaller (<0.03 mm) microwear features compared to large (>0.03 mm) features. The number of pits was positively correlated with more derived HSB in both p4 and m1; fossil teeth with derived HSB possessed microwear features similar to patterns found in modern spotted hyenas. Microscopic scratches were not as closely associated with HSB patterns, but large scratches were more tightly linked to HSB than smaller ones on p4. An examination of evolutionary trends in HSB specialization in the two carnivoran lineages showed that derived HSB patterns evolved prior to the highly robust craniodental characteristics typical of later bone−cracking ecomorphologies. Therefore, the increase of hard food in the diet of less specialized hyaenids and canids was accompanied by a mosaic mode of evolution, with microstructural changes preceding key macrostructural morphological adaptations.
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