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Anterior cingulate cortex (center) over-activated when hoarding disorder patients had to decide whether to keep or discard their own possessions; it under-activated during decision-making about others’ possessions. The left and right insula (upper left and right) similarly differentially activated in hoarding disorder patients during this task. Picture shows fMRI data superimposed on structural MRI scan.

Psychotherapy is effective, helps reduce the overall need for health services and produces long-term health improvements, according to a review of research studies conducted by the American Psychological Association.

The "biologic" drug Humira could be an effective therapy for children with tough-to-treat Crohn's disease, a new study finds.

Although they're standard treatment for men with prostate cancer who are taking hormonal therapy, calcium and vitamin D supplements may do more harm than good, according to a new study.

Anterior cingulate cortex (center) over-activated when hoarding disorder patients had to decide whether to keep or discard their own possessions; it under-activated during decision-making about others’ possessions. The left and right insula (upper left and right) similarly differentially activated in hoarding disorder patients during this task. Picture shows fMRI data superimposed on structural MRI scan.

A small study suggests that gum disease is four times more common among people with rheumatoid arthritis than healthy people, and it also appears to be more severe.