OBJECTIVE To understand the meanings that male university students assign to the condition of users of alcohol and other drugs. METHOD An exploratory study using a qualitative approach, with inductive analysis of the content of semi-structured interviews applied to 20 male university students from a public university in the southeast region of Brazil, grounded on the theoretical-methodologica...

Um método simples e sensível, baseado em uma gota líquida, é descrito para medida do ozônio atmosférico. Uma gota de 30 μL de solução de índigo azul é suspensa em uma corrente de ar para amostragem. O ozônio coletado reage com a solução de índigo azul, provocando seu descoramento. O sensor colorimétrico é composto por duas fibras ópticas; a fonte de luz monocromática usada foi um LED vermelho (...

In this tutorial paper we present a generalization of the transversal filter, called Laguerre filter, and study some of its more remarkable properties. This filter is obtained by replacing each delay of the transversal filter by a first order all-pass section, and by applying a first order low-pass filter (with the same pole used in the all-pass sections) to the filter’s input signal. Both the ...

CONTEXT Irritable bowel syndrome (IBS) is a common functional bowel disorder for which there is no reliable medical treatment. OBJECTIVE To determine whether Chinese herbal medicine (CHM) is of any benefit in the treatment of IBS. DESIGN Randomized, double-blind, placebo-controlled trial conducted during 1996 through 1997. SETTING Patients were recruited through 2 teaching hospitals and 5...

Com o intuito de incentivar o debate sobre as dificuldades da construção do SNVS, as autoras compararam o desenvolvimento dos sistemas nacionais de vigilância sanitária (VS) e de vigilância epidemiológica (VE), este inserido no âmbito do campo recentemente instituído e chamado de “vigilância em saúde”. O texto mostrou que na história dos dois sistemas há, sim, elementos para melhor compreensão ...

abstract background: menthol is the most important active material in mint and different mechanisms have been suggested for the way mint functions, most of which emphasize its analgesic effect owing to the presence of a group of temporary protein receptors. this study investigates the efficacy of peppermint capsule in the treatment of primary dysmenorrhea, in comparison with mefenamic acid and ...

Many patients use herbal supplements to treat chronic cardiovascular conditions and often combine herbal ingredients with cardiovascular medications. However, physicians do not reliably elicit a history of herbal use from their patients and may overlook herbal supplements' adverse effects. Although often considered harmless by patients, herbal supplements may cause adverse cardiovascular effect...

conclusions the results of the current study demonstrated that type iii is the predominant type in hamedan, followed by types v, type ii, type ia, ib and iv, respectively. use of the molecular serotyping (ms) method such as pcr assay as an alternative to conventional serotyping (cs) method leads to accurate, sensitive, specific, and fast typing of gbs isolates. results among the 62 gbs isolates...

opium poppy (papaver somniferum l.) has two major products: alkaloids in the capsules and the seeds.  the seed contains oil, protein, carbohydrate, moisture and mineral matters. the seed oil is rich in unsaturated fatty acids, particularly linoleic and oleic acid. remaining meals after oil extraction are the important source for animal diets. the united nations recognize turkey and india as tra...