The once-weekly insulin therapy has been approved by the U.S. Food and Drug Administration. This is a major step in diabetes care. It gives patients a simpler way to manage type 2 diabetes. Many patients currently take insulin daily or multiple times a day. This new approval focuses on convenience and long-term care. The treatment is designed for once-weekly use instead of daily injections. This change may help patients stay on treatment longer. Doctors say missed doses…