The objective of this study was to analyze the effect of supplementation with creatine and glutamine on physical fitness of military police officers. Therefore, an experimental double blind study was developed, with the final sample composed by 32 men randomly distributed into three groups: a group supplemented with creatine (n=10), glutamine (n=10) and a placebo group (n=12) and evaluated in t...

OBJECTIVE Stimulant medications do not improve the academic achievement of ADHD diagnosed undergraduates. One reason may be that stimulant-induced sympathetic arousal might impair memory. PARTICIPANTS AND METHODS To test this hypothesis, we conducted a study between September 2011 and March 2012, to compare medicated (n=12) and non-medicated (n=11) ADHD diagnosed undergraduates, with non-ADHD...

INTRODUCTION Interest in the use of caffeine as an ergogenic aid has increased since the International Olympic Committee lifted the partial ban on its use. Caffeine has beneficial effects on various aspects of athletic performance, but its effects on training have been neglected. PURPOSE To investigate the acute effect of caffeine on the exercise-associated increases in testosterone and corti...

OBJECTIVES To examine trends in the lifetime and past-year prevalence of medical use, diversion, and nonmedical use of four prescription medication classes (i.e., sedative/anxiety, opioid, sleeping, and stimulant) among college students between 2003 and 2013; and to identify demographic and background characteristics associated with trends in past-year nonmedical use of prescription medications...

tion to treat child and adolescent disorders is causing concern in the community. This particularly applies to the use of stimulants such as amphetamines and methylphenidate. Is the prescription of stimulants restricted to conditions for which they are an effective treatment? Is the medical profession placing too much emphasis on the use of medication to treat childhood mental health problems a...

“Prevalence of the exercise-induced bronchoconstriction using the mannitol test, insight into potential ergogenic and deleterious effects of beta-2 agonists.” R. Candau, C. Caillaud, G. Py (Laboratoire d'approche bio-psychosociale du dopage, Universite de Montpellier, Montpellier, France), A. Bonnieu (Institut National de la Recherche Agronomique, Montpellier, France), O. Cazorla (INSERM U637, ...

Ginseng is one of the most popular herbal supplements in the world. Although it is used for the treatment and prevention of many ailments, it is also used to increase work efficiency and is purported to increase energy and physical stamina. Athletes use ginseng for its alleged performance-enhancing attributes. However, many studies examining the pharmacological effects of ginseng on physical pe...

Performance-enhancing drugs, ergogenic aids, or sports supplements have been a part of sports since sporting competition began and likely always will be. Considered cheating by purists and necessary by some athletes, we must accept the fact that they are used, understand why they are used, and study how to prevent their use to institute change. This article summarizes current information regard...

OBJECTIVE This study examined the impact on college students' perceptions of nonmedical use of prescription stimulants (NMUPS) of motivation for use and gender. PARTICIPANTS Participants were college students (N=695) from 2 universities in different regions of the United States. METHODS Participants read a vignette describing a college student who used a prescription stimulant for a nonmedi...