"An experimental probiotic aids weight loss in overweight people following a calorie-control diet. Previous studies by Pierre Déchelotte at Rouen University Hospital in France and his colleagues suggest that orally administering the gut bacterium Hafnia alvei helps obese mice lose weight. The probiotic produces a molecule called ClpB that mimics the appetite-reducing hormone alpha-MSH. Now, the researchers have found that the bacterium has similar effects in … Continue reading N of 1 Experiment: Hafnia Alvei for Weight Loss