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Ritalin packs punch by elevating norepinephrine, suppressing nerve signal transmissions

in this area keep in touch and share their results, Waterhouse said. One group, for example, is looking at the drug's effects on dopamine and norepinephrine in the prefrontal cortex, he noted. These results will eventually have to be combined, as changes in one area of the brain are likely to affect other areas.

"We've been thinking about this for a long time," Waterhouse said of his research. "We hope to have a good idea of the drug's action when we put it all together."

One broad question that intrigues researchers is whether ADHD traces back to the same area of the brain as attention deficit disorder, a similar condition but one in which hyperactivity isn't a symptom.

They also want to know whether Ritalin has any toxic or long-lasting effects, not only for ADHD patients, but also for individuals taking the drug who do not suffer from ADHD or ADD. Methylphenidate use is on the rise among college students who solicit prescriptions from friends or siblings diagnosed with ADHD and use the drug to postpone fatigue and stay alert and focused while studying for exams or completing projects, Waterhouse said.


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Source:American Physiological Society


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Recognizes the VZV nucleocapsid by indirect immunofluorescence and immunoprecipitation. Shows cross-reactivity to HSV.
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