Summary of the June 16, 2015 issue, including articles on the effect of allowing diet choice on weight loss, vitamin D and calcium supplementation and bone mineral density, Medicare Part D and health outcomes, and diagnosis and treatment of myalgic encephalomyelitis/chronic fatigue syndrome, as well as ACP best practice advice on cervical cancer screening, findings from the NIH Pathways to Prevention Workshop on myalgic encephalomyelitis/chronic fatigue syndrome, and a commentary on how below-average risk patients are too often screened, diagnosed, and treated.