to SparkTeens! I would recommend taking some time and checking out the site. There is a Resource Center (Healthy Lifestyle tab) that has a lot of great info that will help you through your journey. Also, posting on the message boards and in your teams can be helpful in keeping you motivated and on track.
Here are a few articles I recommend to help get you started in the right direction:
to SparkTeens! I would recommend taking some time and checking out the site. There is a 
