Computers hinder mammogram readings, report finds

BOSTON (Reuters) - Computer-aided mammogram designed to help doctors spot cancer do not increase the chance of finding a tumor and, instead, heighten the risk that a woman will get an unnecessary biopsy, researchers reported on Wednesday.

For decades, peptic ulcers were said to be caused by an emotional disorder which prevented afflicted people from managing "stress." Physicians instructed many people with ulcers to change their lifestyles and, in some cases, to take anti-anxiety medications. In recent years researchers determined that most peptic ulcers were caused by a bacteria treatable with antibiotics. Were the adverse emotional and treatment consequences of misdiagnosing ulcers as a psychiatric illness iatrogenic?