(Medical Xpress)—People who use marijuana heavily experience a blunted response to dopamine, according to researchers at Brookhaven National Laboratory, New York University Langone Medical Center and the National Institute ...
For decades, doctors have treated kids with attention-deficit/hyperactivity disorder (ADHD) with methylphenidate, a stimulant drug sold as Ritalin and Concerta, making it one of the most widely prescribed medications aimed ...
Dec 8, 2022
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Psychostimulants are commonly used as treatments of psychiatric disorders or to improve cognition, but the benefits of these drugs are not the same for everyone, as their effects vary greatly both across individuals and within ...
Sep 27, 2022
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The first study to both show and measure the effects of cognitive-enhancing drugs such as modafinil, methylphenidate (best known under the trade name Ritalin), and caffeine, on chess play is being published in the March edition ...
Mar 6, 2017
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Extroverts may be more outgoing and cheerful in part because of their brain chemistry, reports a study by Cornell neuroscientists.
Jul 11, 2013
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Drugs used to treat Attention Deficit Hyperactivity Disorder (ADHD) do not appear to have long-term effects on the brain, according to new animal research from Wake Forest Baptist Medical Center.
Jul 18, 2012
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(Medical Xpress) -- A new study released this week in the Proceedings of the National Academy of Science reveals that the medication methylphenidate, best known as Ritalin, may delay puberty in males. The researchers caution ...
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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A team of researchers at Kessler Foundation studied the effects of methylphenidate on mental fatigue in individuals with multiple sclerosis (MS). This is the first study to examine the psychostimulant's effects on 'state' ...
Dec 17, 2021
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Methylphenidate (Ritalin, MPH) is a psychostimulant drug approved for treatment of attention-deficit hyperactivity disorder, postural orthostatic tachycardia syndrome and narcolepsy. It may also be prescribed for off-label use in treatment-resistant cases of lethargy, depression, neural insult and obesity. Methylphenidate belongs to the piperidine class of compounds and increases the levels of dopamine and norepinephrine in the brain through reuptake inhibition of the monoamine transporters. Methylphenidate possesses structural similarities to amphetamine and its pharmacological effects are more similar to those of cocaine, though MPH is less potent and longer in duration of action.
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