WEDNESDAY, May 20 (HealthDay News) — Doctors have long known that people with cancer often suffer from depression.
A new study in rats has found that the cause of the depression may be the properties of the tumor itself, rather than emotional distress over the diagnosis or side effects from chemotherapy.
The study is the first to identify a biological link between tumors and negative mood changes, according to the researchers, who published their study in the May 18 issue of the Proceedings of the National Academy of Sciences
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