Fill in the blank. It has been hot as __________. My golf swing feels ______. My ex is a ________ __________. Doesn't it just feel great to vent your feelings once and a while. Yes, and no. People who go on a swearing binge apparently aren't doing themselves any good. Scientists believe that swearing increases, not decreases, stress levels. Researchers at Bristol University's School of Experimental Psychology say using foul language causes a reaction deep inside the emotional center of the brain. The study counters the belief that letting off a barrage of profanities when something goes wrong is a natural, or effective, way of letting off steam. Aw #$%&*.