People plan their lives around the week with Monday as the start. What if every Monday became a day to start and sustain healthy behavior? About.com, a proud participant of the Healthy MondaySM campaign, brings you practical tips on improving your health, one Monday at a time. Sign up and you'll receive a weekly newsletter full of "doable" advice from our savvy Guides on everything from losing stubborn pounds to kicking a bad habit. Each week brings a new opportunity to start making small changes that can have tremendous impact. You can live your healthiest life — let About.com show you how.