Jonathan Pinkney offers an expert commentary on the latest studies on obesity in diabetes. Summaries of the papers are included....

Today’s diabetes world is fast moving and exciting; knowledge is accumulating at an astonishing rate. To help understand the present, however, it sometimes helps to examine the past. In this installment of Tattersall’s Tales, Robert Tattersall describes the rise in knowledge, and methods for the treatment, of erectile dysfunction (or impotence) from the 19th century to the present day....