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Approximately three million Americans have an inflammatory bowel disease. Current therapies for IBD suppress the immune system to reduce inflammation, but some preliminary studies have investigated whether probiotics are beneficial for people with IBD.

Abnormal results on a prostate-specific antigen (PSA) screening test for cancer are typically followed by a systematic biopsy. But systematic biopsies can be problematic, and researchers are seeking alternatives. A large European study provides encouraging evidence favoring a different approach that uses MRI instead of biopsy.

While medical knowledge on celiac disease has evolved over the past few decades, there are still aspects that remain poorly understood. Perhaps not surprisingly, misconceptions are widespread among the general public.