The second edition of The Mayo Clinic Diet Journal is a handy companion to the newly revised Mayo Clinic Diet book. The 224-page guide is designed to help individuals plan, track and review their progress over 10 weeks as they follow The Mayo Clinic Diet. The second edition of The Mayo Clinic Diet Journal is a useful and important companion to the revised Mayo Clinic Diet book. The journal includes simple forms to compile daily food and exercise records. It also includes hand food lists, easy-to-use activity records and motivational tips.