self-defense: Stop smoking. Cut down on caffeinated foods and beverages. Switch shoes at least once a day, wearing shoes of different heel heights. Shift your weight back and forth while standing. Each night, take a bath in lukewarm water.

Once a day, do these three circulation-boosting exercises…

exercise #1: Cross your legs at your ankles, then try to pull them apart as you simultaneously resist. Hold for one minute. Switch sides, and hold again.

exercise #2: Place the balls of your feet on a telephone book, with your heels resting on the floor. Push up and down. This exercise may be done sitting or standing for one minute.

exercise #3: Lie on the floor with your feet pressed flat against the wall. For about one minute, “climb the walls” using your feet.

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