Welcome to Walking the Walk, a feature that takes a deeper look at commonly shared diet and fitness advice. Every other week, I'll choose one piece of advice and practice it for seven days. Then I'll report back on what I discovered about making it work in real life and how it affected my own personal fitness -- and how it ultimately can affect your own efforts.

January is the perfect time to try something new, isn't it? That's why I was clicking around over at AOL Health's America Takes it Off, looking for something inspiring to try this week on Walking the Walk. I've created a pretty good routine for myself -- limit my calories, eat plenty of fruits and vegetables, and be as active as possible -- but still, there's always room for improvement, right?

When I saw this tip from Jillian Michaels, I was intrigued. To get cut, she says, cut the salt ... and that doesn't mean just removing the salt shaker from your dining room table. Instead, she says, to beat the bloat, get your sodium intake down under 500 mg a day.

But salt makes things so tasty, you're thinking (or am I the only one?). Is it really that important to keep an eye on it? According to Jillian, yes. And her take on sodium has the support of top health organizations such as the American Heart Association. Our bodies need about 200 mg of sodium a day, but in reality, most of us eat much, much more than that.

Jillian's 500 mg a day is considerably lower than the 1,500 to 2,400 mg a day that most health organizations recommend. Because my blood pressure tends to fall into the "wow that's low, are you sure you aren't feeling dizzy" category, I've decided to split the difference and stick to 1,000 mg a day this week.