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Insulin delivery using pen devices. Simple-to-use tools may help young and old alike.

Results of landmark studies such as the Diabetes Control and Complications Trial and the United Kingdom Prospective Diabetes Study are encouraging patients with diabetes and health professionals alike to strive to achieve and maintain the best possible glucose control. Insulin pens have the potential to become a major asset for improving compliance among diabetic patients. These devices offer substantial improvements in convenience, freedom, and flexibility for all insulin-using patients. Furthermore, more accurate dosing associated with use of the pen may hold the key to better longterm outcomes.