نتایج جستجو برای: anabolic steroid has devastating effects on athletes

تعداد نتایج: 9602665  

Journal: :Pediatrics 2006
Ryan Calfee Paul Fadale

Ergogenic drugs are substances that are used to enhance athletic performance. These drugs include illicit substances as well as compounds that are marketed as nutritional supplements. Many such drugs have been used widely by professional and elite athletes for several decades. However, in recent years, research indicates that younger athletes are increasingly experimenting with these drugs to i...

Journal: :The Journal of laryngology and otology 2008
S Ray A Masood J Pickles I Moumoulidis

The effects of anabolic steroids on the quality of voice have been well documented; however, no study has established significant structural changes in the larynx as a direct result of anabolic steroid use. We report a unique case of a 47-year-old male smoker and professional body builder who presented with progressive stridor and hoarseness following abuse of anabolic steroids over a period of...

2005
Kathleen E. Miller Grace M. Barnes Don Sabo Merrill J. Melnick Michael P. Farrell K. E. Miller

Contrary to popular assumption, adolescent anabolic-androgenic steroid use is not limited to serious male athletes. This paper examines the relationships among gender, athletic participation, and health-related problem behaviors among adolescent steroid users. Regression analyses were performed on a nationally representative sample of over 16,000 high school students (the 1997 Youth Risk Behavi...

2008
Jay Cohen Rick Collins Jack Darkes Daniel Gwartney

Background Non-medical anabolic-androgenic steroid (NMAAS) use among athletes and risk-taking adolescents has monopolized media attention in recent years. Conversely, our large-scale study of almost 2000 American male NMAAS users revealed that the majority of adult were non-athletes who initiated use as adults and were not motivated by athletics. Notably, a small proportion of the sample that c...

Journal: :iranian journal of medical sciences 0
seyed fakhroddin mesbah s. shokri s. karbalay-doust h. mirkhani

background: anabolic-androgenic steroids are used at high doses by athletes for improving athletic ability, physical appearance and muscle mass. therefore, the abuse of these steroids has been significantly increased. many undesirable side effects of these steroids on the male reproductive function have been reported, however, little is known about their effects on sexual behavior and tissues o...

Journal: :Cardiovascular journal of South Africa : official journal for Southern Africa Cardiac Society [and] South African Society of Cardiac Practitioners 2005
E F Du Toit E Rossouw J Van Rooyen A Lochner

UNLABELLED Androgenic anabolic steroids (AAS) are often used by athletes to enhance athletic performance but are strongly associated with detrimental cardiovascular effects including sudden cardiac death. HYPOTHESIS AAS use increases myocardial susceptibility to ischaemia/reperfusion injury. METHODS Rats were trained (swimming) with or without intramuscular injection of nandrolone laurate (...

Journal: :The Journal of school health 2006
Diane L Elliot Esther L Moe Linn Goldberg Carol A DeFrancesco Melissa B Durham Hollie Hix-Small

Almost one half of male and female students participate in high school-sponsored athletics, and high school also is a time when classroom health promotion curricula are less effective. The Athletes Training and Learning to Avoid Steroids is a sport team-centered drug-use prevention program for male high school athletes, which has been shown to reduce alcohol and illicit drug use. Just as anabol...

Journal: :Hormones and behavior 2013
Lesley A Ricci Thomas R Morrison Richard H Melloni

In the U.S. and worldwide anabolic/androgenic steroid use remains high in the adolescent population. This is concerning given that anabolic/androgenic steroid use is associated with a higher incidence of aggressive behavior during exposure and anxiety during withdrawal. This study uses pubertal Syrian hamsters (Mesocricetus auratus) to investigate the hypothesis that an inverse behavioral relat...

Journal: :British journal of sports medicine 2012
Peter J Angell Neil Chester Nick Sculthorpe Greg Whyte Keith George John Somauroo

The use of performance-enhancing and social drugs by athletes raises a number of ethical and health concerns. The World Anti-Doping Agency was constituted to address both of these issues as well as publishing a list of, and testing for, banned substances in athletes. Despite continuing methodological developments to detect drug use and associated punishments for positive dope tests, there are s...

2005
George W. Bush

Note from the Editors In recent months there have been more that a few stories in the national media related to the use of anabolic-androgenic steroids among athletes. Because of this attention, and because steroid abuse is not limited to athletes, the editors felt that the time was right for an issue of the Research Digest devoted to steroids. As the reference list for this article attests, Ch...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید