High Stakes Algebra

In the category of "I told you so" research, this just in: People who walk errands typically weigh less.

Since 1981, my Walk Score has plummeted from New York City sneaker-brigade 100 (out of 100) to minivan-me 17.

Click for your Walk Score

True, Walk Score is a generalized index, need-focused with no jogging credit, limited to Google-imposed definitions that mean 7-11 counts as "grocery" store.

But facts are facts. And here are mine: My score is down and my weight is ... up.

The solution? That's on me. Again.