Dementia imaging with FDG PET was more accurate, sensitive and specific in a comparison between Alzheimer’s disease (AD) and dementia with Lewy bodies (DLB), according to a study published online Nov. 5 in the Journal of Nuclear Medicine . {read more here}

A novel striatal positron emission tomography (PET) imaging biomarker may identify individuals with early Huntington’s disease (HD), hint results of a small pilot study. {read more here}

…researchers used positron emission tomography (PET) scans to measure opioid receptor levels in the brains of 14 pathological gamblers and 15 healthy volunteers. There was no difference between the two groups. However, when they scanned their brains after giving each participant an amphetamine tablet, which causes a high known as an endorphin rush, they found that gamblers weren’t able to release as many endorphins. After the participants answered a questionnaire, they also found that gamblers experienced a lower feeling of euphoria. {read more here}

Greater use of electronic health records, black market demand for protected health information and a fragmented healthcare system contribute to rising rates ofmedical identity theft, Fortune reported. Last year, the medical sector experienced more data breaches than any other, and experts expect that trend to continue.Fortune examined what’s behind it. {read more here}