A habit is a learned automatic response. Forming new healthy habits—or breaking bad ones—involves multiple steps including making a decision to change, initiating the new behaviour, and repeating it often.Building new healthy habits takes time. A 30-day challenge can help to get the ball rolling, but it may not be enough to make lasting change.Whatever habit you'd like to make—diet, exercise, skincare, meditation, gratitude, etc.—you are likely to find a 30-day challenge for it. There are two ba