Sesame street and KidsHealth have partnered to offer an online Healthy Habits for Life Resource Kit. It's a free health-related lesson plan for pre-schoolers to establish healthy habits early on. Teachers and parents can download the kit for free online. This is such a fantastic way for teachers and even parents to incorporate fun and appealing lessons about health in their daily activities.
P.S. You can also find health-related lesson plans for all grades K-12 and subject areas.