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New Drug Lifts Hard-to-Treat Depression in Hours, Northwestern University Study  
12/12/2012 7:12:12 AM

Depression need not linger if a new class of drugs that can improve symptoms within hours becomes available. People with depression are often treated with drugs that increase levels of serotonin and other mood-enhancing chemicals in the brain. But these drugs typically take weeks, or even months, to work. Drugs that target receptors for a chemical called NMDA appear to take effect much faster. Ketamine is one example. It can reduce symptoms of depression within hours, but also has hallucinatory side effects.
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