نتایج جستجو برای: subjects received caffeine or placebo in a double
تعداد نتایج: 20511839 فیلتر نتایج به سال:
the concepts of similarity and dissimilarity have been the interest of many researchers. basically, in the studies the similarity between two objects or phenomena, has been discussed. in this thesis, we consider the case when the resemblance or similarity among three objects or phenomena of a set, 3-similarity in our terminology, is desired. later we will extend our definitions and propos...
Background and Aim: Examining the physiological characteristics and recognizing the pathological factors of the heart during sports and endurance activities can provide a good background in identifying athletes who are at risk. NTproBNP has been introduced as a biological marker for the diagnosis of heart failure and disease progression in response to increased stress on the heart wall, increas...
BACKGROUND Current guidelines for antidepressant use recommend 4 to 6 months of continuation treatment to prevent relapse of depression following symptom resolution. This study evaluates the efficacy and safety of continuation escitalopram treatment. METHOD Outpatients diagnosed with DSM-IV major depressive disorder (male or female, aged 18 to 81 years) who had completed 8 weeks of randomized...
BACKGROUND & OBJECTIVES Athletes in Malaysia need to perform in a hot and humid climate. Chronic supplementation of caffeine on endurance performance have been studied extensively in different populations. However, concurrent research on the effects of acute supplementation of caffeine on cardiorespiratory responses during endurance exercise in the Malaysian context especially in a hot and humi...
Introduction: Premenstrual syndrome is the most common disorder in women of reproductive age. The causes of the premenstrual syndrome have not been clearly elucidated.In this regard, different methods have been suggested and one of them is traditional use of medicinal herbs. This study was aimed to assess the effect of valerian on severity of psychological and behavioral symptoms of premenstrua...
The effects of caffeine on prospective duration judgements were investigated in two double-blind placebo-controlled experiments. After taking either 200 mg of caffeine or a placebo, participants performed a task that demanded considerable attention, driving a car in a simulator (Experiment 1) or a task that demanded relatively little attention, watching a videotaped scene from a driven car (Exp...
Breath holding spells (BHS) is a type of syncope in children , most commonly encontered in the early years of life. Although these athacks don't damage the brain , if these are frequent or prolonged cause , parents frighten , so physician should intervent. In this study we evaluated clinical efficacy of piracetam on B.H.S of children in Mashhad Ghaem Hospi...
to discuss my point, i have collected quite a number of articles, anthologies, and books about "wuthering heights" applying various ideas and theories to this fantastic story. hence, i have come to believe that gadamer and jauss are rightful when they claim that "the individaul human mind is the center and origin of all meaning," 3 that reading literature is a reader-oriented activity, that it ...
adverse effects of antituberculosis agents such as hepatotoxicity may reduce treatment effectiveness, because they significantly contribute to nonadherence and eventually result in treatment failure, relapse or the emergence of drug resistance. garlic is an ancient herbal substance, which its effectiveness on isoniazid and rifampicin-induced hepatic injury in animal models has been demonstrated...
conclusions the study results demonstrated that preemptive use of dextromethorphan reduced postoperative pain and opioid consumption. patients and methods this double blind randomized clinical trial was conducted on arthroscopic surgery candidates. participants were randomly allocated to interventions and assigned to two groups of dextromethorphan and placebo. in dextromethorphan group, the pat...
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