نتایج جستجو برای: amphetamines
تعداد نتایج: 1006 فیلتر نتایج به سال:
The stimulant effects of ephedrine, an alkaloid of the shrub, Ephedra vulgaris, were described in China more than 5000 years ago. Local physicians typically used the plant, also known as ma huang, as a herbal remedy for asthmatic wheezing and other pulmonary problems. These disorders are caused by severe constriction of the bronchial tree, and ephedrine simply relaxes bronchial muscle to improv...
Abstract Background The misuse of illicit substances is associated with increased morbidity and mortality; thus, substance abuse a global health concern. Arabian Gulf region considered crossing point consumer drugs. However, lack laboratory-based research has limited the scientific assessment drug in region. Thus, an up-to-date analytical representation situation warranted. Methods We investiga...
A 43-year-old woman presented with acute lower intestinal bleeding requiring blood transfusion. Multiple initial investigations did not reveal the cause of the bleeding. Colonoscopy performed 2 days later showed features suggestive of ischemic colitis. On detailed history, the patient admitted to using amphetamines, and her urine drug screen was positive for them. She was managed conservatively...
The present study aimed to verify the prevalence of psychoactive drug use (amphetamines, methamphetamines, cannabinoids, cocaine, opioids and benzodiazepines) among military police officers in the state of Goiás. Data were obtained from urine samples voluntarily provided by the officers participating in the study, who were informed of the study methods and signed a free and informed consent for...
USE OF d-AMPHETAMINE AND RELATED CENTRAL NERVOUS SYSTEM STIMULANTS IN CHILDREN T HE abuse of amphetamines has become a problem of international significance. Japan was the first country to recognize this problem, and by 1954 there were an estimated 500,000 to 600,000 abusers in Japan. More than ten years ago Japan banned the use of amphetamines. The United Kingdom restricted distribution of amp...
USE OF d-AMPHETAMINE AND RELATED CENTRAL NERVOUS SYSTEM STIMULANTS IN CHILDREN T HE abuse of amphetamines has become a problem of international significance. Japan was the first country to recognize this problem, and by 1954 there were an estimated 500,000 to 600,000 abusers in Japan. More than ten years ago Japan banned the use of amphetamines. The United Kingdom restricted distribution of amp...
The trace amine para-tyramine is structurally and functionally related to the amphetamines and the biogenic amine neurotransmitters. It is currently thought that the biological activities elicited by trace amines such as p-tyramine and the psychostimulant amphetamines are manifestations of their ability to inhibit the clearance of extracellular transmitter and/or stimulate the efflux of transmi...
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