June 18, 2012 - A simple blood test could one day help doctors treat early stage breast cancer. Researchers at the University of Texas found one in four patients carry circulating tumor cells or CTC's in their blood. The study found women with CTC's are at a higher risk of developing a deadlier form of the disease. Scientists say if follow up research confirms the findings - doctors would know which patients require more aggressive treatment.
Also, according to a new study, guilt appears to play a role in depression. British researchers used functional MRI to scan the brains of people with a history of major depression and a control group of people who never had depression. Researchers found, people with a history of depression showed different responses in brain regions associated with guilt and knowledge of acceptable social behavior.The findings may explain why some people react to stress with depression rather than aggression and could lead to a new way to predict depression risk
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