نتایج جستجو برای: central nervous system stimulants

تعداد نتایج: 2565169  

Journal: :Journal of attention disorders 2018
Odette N Gould Clara Doucette

OBJECTIVE We examined how college students manage ADHD medication and how beliefs regarding the medication and attitudes of friends and families influence adherence on weekdays and weekends during an academic semester. METHOD Undergraduate students ( n = 53) responded to an online survey to report their adherence, their beliefs about the effects of the medication, and their perception of impo...

2017

I have a large amount of course work, which is combined with a job and extra-curriculars, and while I want to succeed in all of them, I find that I simply don't have enough time, even though I currently sleep only 4 or 5 hours a night. I mentioned this to a group of my friends here at school, and it turns out they all take stimulants to help them manage jam-packed undergraduate life. The pills ...

2017

I have a large amount of course work, which is combined with a job and extra-curriculars, and while I want to succeed in all of them, I find that I simply don't have enough time, even though I currently sleep only 4 or 5 hours a night. I mentioned this to a group of my friends here at school, and it turns out they all take stimulants to help them manage jam-packed undergraduate life. The pills ...

2017

I have a large amount of course work, which is combined with a job and extra-curriculars, and while I want to succeed in all of them, I find that I simply don't have enough time, even though I currently sleep only 4 or 5 hours a night. I mentioned this to a group of my friends here at school, and it turns out they all take stimulants to help them manage jam-packed undergraduate life. The pills ...

Journal: :Substance Abuse Treatment, Prevention, and Policy 2006
Steve Sussman Mary Ann Pentz Donna Spruijt-Metz Toby Miller

BACKGROUND Non-medical/illegal use of prescription stimulants popularly have been referred to as "study drugs". This paper discusses the current prevalence and consequences of misuse of these drugs and implications of this information for drug policy. RESULTS Study drugs are being misused annually by approximately 4% of older teens and emerging adults. Yet, there are numerous consequences of ...

2014
Lawrence L. Spriet

Caffeine is a popular work-enhancing supplement that has been actively researched since the 1970s. The majority of research has examined the effects of moderate to high caffeine doses (5-13 mg/kg body mass) on exercise and sport. These caffeine doses have profound effects on the responses to exercise at the whole-body level and are associated with variable results and some undesirable side effe...

2016
James C. Boyett Gabrielle E. W. Giersch Christopher J. Womack Michael J. Saunders Christine A. Hughey Hannah M. Daley Nicholas D. Luden

This project was designed to assess the effects of time of day and training status on the benefits of caffeine supplementation for cycling performance. Twenty male subjects (Age, 25 years; Peak oxygen consumption, 57 mL·kg-1·min-1) were divided into tertiles based on training levels, with top and bottom tertiles designated as 'trained' (n = 7) and 'untrained' (n = 7). Subjects completed two fam...

2017

I have a large amount of course work, which is combined with a job and extra-curriculars, and while I want to succeed in all of them, I find that I simply don't have enough time, even though I currently sleep only 4 or 5 hours a night. I mentioned this to a group of my friends here at school, and it turns out they all take stimulants to help them manage jam-packed undergraduate life. The pills ...

Journal: :British journal of sports medicine 2010
N M DiMarco N P West L M Burke S J Stear L M Castell

2001
PAT A. HARRIS R. C. HARRIS

If one imagines two horses with identical genetic makeup with equal physiological ability, ridden by jockeys with equal riding skill and with the same way of riding a race, being raced against each other, all things being equal the two horses should finish at exactly the same time. But what if one of the horses were given ‘formula X’ to improve its performance, enabling it to win outright. ‘For...

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