Holiday shoppers will be happy to know that researchers say “retail therapy” is an effective way to improve your mood and fight off the blues. But, is shopping the best way to feel your best? Think of retail shopping like comfort food; a temporary escape from negative feelings. But there’s a cost to pay. Comfort food can cause you to gain weight, which could put you back into a bad mood. Retail therapy can cause you to gain credit card balance. These financial tips will help you shop with confidence.