Internationally, guidelines recommend that physicians screen for and opportunistically encourage patients to lose weight.1, 2However, patient surveys and recordings of consultations suggest that such guidelines are not widely implemented.3, 4 Physicians report several barriers to action, including insufficient time and knowledge, belief that intervention would be ineffective, and fear of causing offence.5, 6, 7, 8 However, patients seem to be open to receiving advice from their doctors.9

No randomised trials have investigated whether advice from physicians leads to weight loss in their patients. Systematic reviews of data from randomised trials show strong evidence that brief physician intervention is effective for smoking cessation and some evidence …… continue reading http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(16)31893-1/fulltext?elsca1=etoc