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Objective: The aim of the present study was to evaluate the prevalence and factors associated with bronchopulmonary dysplasia at a neonatal intensive care unit. Methods: The study was a crosssectional study that used secondary data from premature infants who were born with less than 32 weeks of gestational age and were admitted to a neonatal intensive care unit. Chi-square, Mann-Whitney and multivariate tests were used. Significance was set at p<0.05. Results: A total of 88 premature infants were included in the study. Bronchopulmonary dysplasia occurred in 27.3% of the infants and was related to having a gestational age below 28 weeks (OR: 4.80; 95% CI: 1.50-15.34; p=0.008) and a patent ductus arteriosus (OR: 3.44;

The study aimed to identify factors associated to drug use in adolescents. For this purpose, it has been observed 133 adolescents registred in ninth grade in two municipal schools in Viçosa, who answered an individual questionnaire validated by PAHO / WHO, applied by members of the Uncensored Extension Project of the Federal University of Viçosa (UFV). Substance use and family structure were evaluated. Statistical tools were: Epi-Info 7.0 StatCalc, Pearson's chi-square test, Poisson regression and SPSS version 23.0 and Stata 9.0 programs. The sample had an average of 15 years old, that 26.3% reported drug use, thus, 65,4% related family history of drug use and low education. Other aspects of family structure included: good family perception, absence of violence and family mental disorder by 78.2%, 82.7% and 75.9% of adolescents, respectively. Only males persisted as a factor associated with drug use, with 2.4 times higher use (PR 2.39; 95% IC 1.19-4.78; p = 0.014). Therefore, only the male gender showed a higher risk for drug use, and further studies are needed to evaluate factors associated with drug use, aiming to promote public health.