Try to forget about those money worries, troublesome teens and the dreaded in-laws because anxiety produces extra cortisol that encourages fat storage. And unfortunately your mid section is four times more likely to store stress fat. Stress causes the body to start stocking fat in the gut. Tip: Try yoga, meditation or a massage to unwind. If you’re a stress eater, keep healthy snacks such as almonds on hand to prevent junk-food binging.