In Crunch Exercise: Chewing ice cubes -- good or bad?

Chewing ice cubes -- good or bad? Welcome to the Personal Development for Smart People Forums, the place for lively, intelligent discussion of all personal growth issues -- physical, mental, financial, social, emotional, spiritual, and more. You're currently viewing as a guest, which gives you limited read-only access. By joining our free community, you'll be able to post your own messages, access ...Crunch Exercise