Brazilian teenagers and beer advertising: relationship between exposure, positive response, and alcohol consumption

Brazilian teenagers report problematic patterns of alcohol consumption. Alcohol advertising strategies are one of the main factors influencing adolescents' alcohol consumption. The aim of this study was to evaluate the relationship between positive responses to TV beer commercials, exposure, and alcohol consumption. Thirty-two recent TV commercials were shown to 133 high school students from public schools in São Bernardo do Campo, São Paulo State, Brazil. The subjects recorded how well they liked the ads and how often they had already watched each commercial. The teenagers also reported their alcohol consumption rates. The ten commercials analyzed in this article were the five most popular and the five least popular. The analysis showed that subjects had already seen the five most popular ads, but not the five least popular. In addition, the five most popular ads received higher scores from teenagers that reported having consumed beer during the previous month. The study found a positive relationship between enjoying beer advertising and exposure to beer ads, as well as between alcohol consumption and positive responses to alcohol commercials.No Brasil, evidências epidemiológicas entre jovens e adolescentes indicam preocupante padrão de consumo de álcool. Entre os fatores que influenciam o consumo dos mais jovens estão as estratégias de publicidade. Pretendeu-se avaliar a relação entre apreciação das propagandas televisivas de cerveja, exposição a essas propagandas e consumo de álcool entre adolescentes. Trinta e duas propagandas recentes foram exibidas a 133 estudantes, de 1º e 2º anos do Ensino Médio de escolas públicas de São Bernardo do Campo, São Paulo, Brasil. Para cada propaganda, atribuíram notas (0 a 10) representando a apreciação e quantas vezes já tinham assistido cada uma anteriormente (exposição). Responderam se consumiam álcool e com qual freqüência. Dez das 32 propagandas foram incluídas na análise estatística (as cinco mais e as cinco menos apreciadas). As cinco propagandas mais apreciadas já tinham sido assistidas anteriormente, o que não ocorreu com as menos pontuadas. Ademais, entre as cinco mais apreciadas, notas estatisticamente maiores foram atribuídas pelos adolescentes que consumiram cerveja no último mês. O estudo encontrou uma relação positiva entre apreciação e exposição, bem como com o consumo de álcool.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Universidade Federal de São Paulo (UNIFESP) Departamento de PsiquiatriaUniversidade Federal de São Paulo (UNIFESP) Departamento de Medicina PreventivaUNIFESP, Depto. de PsiquiatriaUNIFESP, Depto. de Medicina PreventivaSciEL

Root production and quality attributes of sweet potato genotypes in Brasília - DF, Brazil, during two cropping seasons.

Avaliou-se nove genótipos de batata-doce: BRS Amélia, Beauregard, Brazlândia Branca, Brazlândia Rosada, Brazlândia Roxa, BRS Cuia, Princesa, BRS Rubissol e um genótipo local em delineamento de blocos casualizados, com quatro repetições. Estimou-se características relacionadas a produção de raízes, características de qualidade e danos causador por insetos

Human natural killer cells mediate adaptive immunity to viral antigens

Adaptive immune responses are defined as antigen sensitization–dependent and antigen-specific responses leading to establishment of long-lived immunological memory. Although natural killer (NK) cells have traditionally been considered cells of the innate immune system, mounting evidence in mice and nonhuman primates warrants reconsideration of the existing paradigm that B and T cells are the sole mediators of adaptive immunity. However, it is currently unknown whether human NK cells can exhibit adaptive immune responses. We therefore tested whether human NK cells mediate adaptive immunity to virally encoded antigens using humanized mice and human volunteers. We found that human NK cells displayed vaccination-dependent, antigen-specific recall responses in vitro, when isolated from livers of humanized mice previously vaccinated with HIV-encoded envelope protein. Furthermore, we discovered that large numbers of cytotoxic NK cells with a tissue-resident phenotype were recruited to sites of varicella-zoster virus (VZV) skin test antigen challenge in VZV-experienced human volunteers. These NK-mediated recall responses in humans occurred decades after initial VZV exposure, demonstrating that NK memory in humans is long-lived. Our data demonstrate that human NK cells exhibit adaptive immune responses upon vaccination or infection. The existence of human memory NK cells may allow for the development of vaccination-based approaches capable of establishing potent NK-mediated memory functions contributing to host protection

Produtividade de batata-doce em canteiros utilizando diferentes espaçamentos e segmentos da rama.

O objetivo deste estudo foi avaliar o desempenho produtivo de batatas-doces em canteiros utilizando espaçamentos distintos e mudas oriundas de diferentes segmentos da rama.bitstream/item/212362/1/BPD-199.pd

Advances in Coconut palm propagation.

Abstract Coconut palm (Cocos nucifera L.) is one of the most important tropical species used by man, known as “tree of life”. In recent decades, with the expansion of coconut growing areas, limitations such as the occurrence of pests, uniformity of crops, adaptation to different ecosystems and others have affected the production and longevity of coconut trees. This review describes the major advances in propagation techniques of coconut palm, conventionally, by seeds and through plant tissue culture techniques from the mid-twentieth century onwards, as well as phytosanitary aspects that should be considered to mitigate the spread of pests and diseases

Subsídios para o programa de melhoramento genético de batata-doce in natura.

O objetivo do trabalho foi coletar informações para validar e subsidiar as tomadas de decisão relacionadas com os rumos do programa de melhoramento genético de batata-doce.Editores: Adalton Mazetti Fernandes, Unesp; André Ricardo Zeist, UFSC

Quebra de dormência em sementes botânicas de batata-doce utilizando diferentes compostos químicos.

O presente trabalho teve por objetivo avaliar o efeito de diferentes compostos químicos e tempos de contato para quebra de dormência de sementes botânicas de batata-doce.bitstream/item/217015/1/BPD-210-23-out-2020.pd

Severidade da podridão-negra em populações do programa de melhoramento genético de couve-flor da Embrapa Hortaliças.

O objetivo do presente trabalho foi avaliar populações do programa de melhoramento genético de couve-flor da Embrapa Hortaliças para resistência à podridão-negra.Resumo