dopamine

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Parkinson's Spreads to Transplanted Cells

Disease found in healthy cells grafted to sufferers' brains

(Newser) - Transplanting healthy cells into the brains of people with Parkinson's alleviates symptoms, but sufferers showed signs of deterioration as the disease spread to the grafted cells, according to two studies in the journal Nature Medicine. Scientists in Sweden and Chicago discovered similar results in patients who received cell transplants up...

Schizophrenia Drug Offers New Hope
Schizophrenia Drug Offers
New Hope

Schizophrenia Drug Offers New Hope

Works on different brain chemical than its predecessors

(Newser) - The first human trial of a new medication to treat schizophrenia that works fundamentally differently from its predecessors has shown promising results, according to this month's Nature Medicine. The drug targets glutamate rather than dopamine, as do other drugs. Scientists have long known glutamate is involved in schizophrenia.

2 Studies Tie Dopamine to ADHD
2 Studies
Tie Dopamine
to ADHD

2 Studies Tie Dopamine to ADHD

Low level of brain chemical connected to substance abuse, too

(Newser) - Levels of dopamine—a brain chemical associated with movement and emotion—may explain the occurrence of attention deficit and hyperactivity, two studies published yesterday concluded. The studies found decreased dopamine activity in the brains of individuals, both children and adults, diagnosed with ADHD. Doctors say these decreased levels could have...

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