Dear Diary: Why Keeping a Health Diary Works

Ever gain five pounds and really have no idea what could have caused it? You've been eating as you normally do and getting your regular walks in. Except maybe you forgot to account for those pieces of birthday cake at the office, the sampling around the table at a recent dinner with friends, or the missed exercise due to a stretch of bad weather. It's easy to forget, or ignore, the little things that can quickly add up to bigger problems.

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