Genetic mapping triggers new hope on schizophrenia

WASHINGTON (AP) -- Genetic researchers say they've made progress that could someday offer more hope to people with schizophrenia.

Scientists say that in an effort to find out what makes schizophrenia tick, they've now been able to link more than 100 spots in human DNA to the risk of developing the disease, including 83 not previously recorded. And scientists say there are still likely more to be found.

Such work could eventually point to new treatments, although they are many years away.

Scientists had previously uncovered only about a couple of dozen risk-related genes and the new results provide the first hard genetic evidence to bolster a theory connecting the immune system to the disease.

The results were released Monday by the journal Nature.

Schizophrenia makes it hard to tell the difference between what is real and not real, and affects about one out of every 100 people.

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