Prevalence of obesity in adolescents from Bragança Paulista and its relation to parental obesity

This study was aimed to determine the prevalence of obesity among adolescents who attend State Schools in the city of Bragança Paulista (SP), and its relationship with parental nutritional status. This was a cross-sectional study involving 1,334 adolescents (796 [59.7%] female), ranging in age from 11 to 18 years, regularly registered in the 5th through the 12th grade. The following variables were studied: sex, age, current weight and height (in the adolescents and parents) and educational level (in the adolescents). The nutritional status was evaluated by the body mass index [BMI - weight (kg)/height (m²)], and determined according to the cut-offs previously recommended. A low prevalence of overweight and obesity was found among adolescents (7.3 and 3.5%, respectively) and a high prevalence of obesity among adolescents whose parents (father and mother) were obese (26.09%), as compared to parents with normal weight (9.29%). Obesity appears not to be an issue of Public Health in this particular population but there is a relationship between adolescents obesity with theirs parents nutritional status.O objetivo do trabalho foi determinar a prevalência da obesidade entre adolescentes da Rede Estadual de Ensino da cidade de Bragança Paulista, SP, e relacioná-la com o estado nutricional dos pais. Foi realizado um estudo transversal com 1.334 adolescentes, na faixa de 11 a 18 anos, matriculados da 5ª série ao 3ª colegial, sendo 796 (59,7%) do sexo feminino. As variáveis estudadas nos adolescentes foram: sexo, idade, escolaridade, peso atual e estatura, e nos pais: sexo, idade, peso atual e estatura. O diagnóstico nutricional foi feito pelo índice de massa corpórea [IMC - peso (kg)/altura (m²)]. A avaliação do estado nutricional foi realizada com as medidas anteriores, de acordo com indicadores antropométricos recomendados para adolescentes. Encontrou-se baixa prevalência de sobrepeso e obesidade entre os adolescentes (7,3 e 3,5%, respectivamente), e maior prevalência de sobrepeso e obesidade em adolescentes que possuem pai e mãe obesos (26,09%), quando comparados aos pais com peso normal (9,29%). Concluiu-se que a obesidade não é um problema de Saúde Pública nesta população e que existe relação da obesidade dos adolescentes com o estado nutricional de seus pais.66366

Measurement of the radius dependence of charged-particle jet suppression in Pb–Pb collisions at sNN=5.02\sqrt{s_{\rm NN}} = 5.02 TeV

The ALICE Collaboration reports a new differential measurement of inclusive jet suppression using pp and Pb–Pb collision data at center-of-mass energy per nucleon–nucleon collision $\sqrt{s_{\rm NN}} = 5.02$ TeV. Charged-particle jets are reconstructed using the anti-$k_{\rm T}$ algorithm with resolution parameters $R$ = 0.2, 0.3, 0.4, 0.5, and 0.6 in pp collisions and $R$ = 0.2, 0.4, 0.6 in central (0–10\%), semi-central (30–50\%), and peripheral (60–80\%) Pb–Pb collisions. The analysis uses a novel approach based on machine learning to mitigate the influence of jet background in central heavy-ion collisions, which enables measurements of inclusive jet suppression for jet $p_{\rm T} \ge 40$ GeV/$c$ in central collisions at a resolution parameter of $R$ = 0.6. This is the lowest value of jet $p_{\rm T}$ achieved for inclusive jet measurements at $R$ = 0.6 at the LHC, and is an important step for discriminating different models of jet quenching in the quark-gluon plasma. The transverse momentum spectra, nuclear modification factors, and derived cross section and nuclear modification factor ratios for different jet resolution parameters of charged-particle jets are presented and compared to model predictions. A mild dependence of the nuclear modification factor ratios on collision centrality and resolution parameter is observed. The results are compared to a variety of jet quenching models with varying levels of agreement, demonstrating the effectiveness of this observable to discriminate between models.The ALICE Collaboration reports a new differential measurement of inclusive jet suppression using pp and Pb$-$Pb collision data at center-of-mass energy per nucleon-nucleon collision $\sqrt{s_{\rm NN}} = 5.02$ TeV. Charged-particle jets are reconstructed using the anti-$k_{\rm T}$ algorithm with resolution parameters $R =$ 0.2, 0.3, 0.4, 0.5, and 0.6 in pp collisions and $R =$ 0.2, 0.4, 0.6 in central (0$-$10%), semi-central (30$-$50%), and peripheral (60$-$80%) Pb$-$Pb collisions. The analysis uses a novel approach based on machine learning to mitigate the influence of jet background in central heavy-ion collisions, which enables measurements of inclusive jet suppression for jet $p_{\rm T} \geq 40$ GeV/$c$ in central collisions at a resolution parameter of $R = 0.6$. This is the lowest value of jet $p_{\rm T}$ achieved for inclusive jet measurements at $R=0.6$ at the LHC, and is an important step for discriminating different models of jet quenching in the quark-gluon plasma. The transverse momentum spectra, nuclear modification factors, and derived cross section and nuclear modification factor ratios for different jet resolution parameters of charged-particle jets are presented and compared to model predictions. A mild dependence of the nuclear modification factor ratios on collision centrality and resolution parameter is observed. The results are compared to a variety of jet quenching models with varying levels of agreement, demonstrating the effectiveness of this observable to discriminate between models