Oncology & Cancer

Vitamin D deficiency common in cancer patients

More than three-quarters of cancer patients have insufficient levels of vitamin D (25-hydroxy-vitamin D) and the lowest levels are associated with more advanced cancer, according to a study presented on October 2, 2011, at ...

Oncology & Cancer

Breast cancer tumor make-up changes through the course of disease

New research has found that breast cancer tumours change their hormonal status throughout the course of disease, whereas the decision about the most effective treatment for the patient is usually only based on one biopsy ...

Oncology & Cancer

Researchers overcome barrier to cancer immunotherapy

(Medical Xpress) -- In lab studies, researchers at Virginia Commonwealth University Massey Cancer Center have effectively reprogrammed cells of the innate and adaptive immune system to overcome a key cancer defense mechanism ...

Psychology & Psychiatry

For depression, relapsers go to the front of the brain

Depression is increasingly recognized as an illness that strikes repeatedly over the lifespan, creating cycles of relapse and recovery. This sobering knowledge has prompted researchers to search for markers of relapse risk ...

Medical research

Addiction a brain disorder, not just bad behavior

Addiction isn't just about willpower. It's a chronic brain disease, says a new definition aimed at helping families and their doctors better understand the challenges of treating it.

Neuroscience

Study: MS drugs help, but come at high cost

A new study examining the cost-effectiveness of drugs to treat multiple sclerosis (MS) in the United States finds that the health gains from these drugs come at a very high cost compared to basic therapy to control the symptoms ...

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