September 25, 2013, Vol 310, No. 12, Pages 1203-1302

To determine whether sensor-augmented insulin pump with automated low-glucose suspension helps patients with type 1 diabetes avoid hypoglycemic events, Ly and coauthors conducted a randomized trial in which 46 patients with impaired hypoglycemia awareness used the sensor-augmented insulin pump and 49 used a standard insulin pump.

To assess the accuracy, reliability, and potential refinement of clinical decision rules in a new cohort of patients with headache, Perry and coauthors conducted a multicenter cohort study among 2131 adults with headache peaking at 1 hour and no neurologic deficits. Newman-Toker and Edlow provide comment in the related Editorial.

Berry and coauthors determine whether changes in bone mineral density (BMD) after 4 years provide additional information on fracture risk beyond baseline BMD in 802 participants from Massachusetts.