(Medical Xpress)—Scientists broadly regard cognitive decline as a natural condition of aging. However, research has not yet established the mechanisms for age-related differences in brain function between younger and older ...
The illicit use of amphetamines, the stimulants commonly known as 'speed', is linked to a 5-fold heightened risk of psychosis, finds a 10 year study published online in the journal Evidence-Based Mental Health.
Feb 14, 2022
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An analysis conducted by Hennepin Healthcare, University of Minnesota School of Public Health and University of Michigan researchers shows amphetamine-related hospitalizations increased more than 270 percent from 2008 to ...
Nov 2, 2018
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A study of rats given regular, high doses of amphetamine finds that those exposed to the drug at an age corresponding to human adolescence experience long-term changes in brain function that persist into adulthood.
Mar 30, 2016
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In a major advance in the field of neuropsychiatry, researchers in the Vollum Institute at Oregon Health & Science University have illuminated how cocaine and amphetamines disrupt the normal functioning of the dopamine transporter ...
May 11, 2015
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Genetic variants associated with enjoying the effects of d-amphetamine—the active ingredient in Adderall—are also associated with a reduced risk for developing schizophrenia and attention deficit hyperactivity disorder ...
Apr 7, 2014
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In humans, inherited mutations in a gene called HPRT1 lead to very specific self-destructive behavior. Boys with Lesch-Nyhan disease experience uncontrollable urges to bite their fingers, slam their arms into doorways and ...
Jul 27, 2011
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Long-term relationships make the commonly abused drug amphetamine less appealing, according to a new animal study in the June 1 issue of The Journal of Neuroscience. The findings suggest that social bonds formed during adulthood ...
Jun 1, 2011
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For adolescents and adults with attention-deficit/hyperactivity disorder (ADHD), the use of ADHD medications is associated with fewer psychiatric and nonpsychiatric hospitalizations, according to a study published online ...
Mar 22, 2024
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Amphetamine/dextroamphetamine and methylphenidate exposure in utero does not appear to increase the risk for childhood neurodevelopmental disorders, according to a study published online Jan. 24 in JAMA Psychiatry.
Feb 1, 2024
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