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01/14/2010 09:02 AM Posted by: Dr. H. Alejandro Preti
 

Emotional stress may trigger growth of tumors.

The UK's Telegraph (1/14, Alleyne) reports that "everyday emotional stress is a trigger for the growth of tumors," according to research appearing in the journal Nature. Researchers found that "any sort of trauma, emotional or physical, can act as a 'pathway' between cancerous mutations, bringing them together in a potentially deadly mix." The findings challenge previous theories that "more than one cancer-causing mutation needed to take place in a single cell in order for tumors to grow."

        HealthDay (1/13, Dotinga) reported that researchers found that "cancer-causing mutations can work together, even when they're in different cells." In fact, "it is much easier for a tissue to accumulate mutations in different cells than in the same cell."

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