New findings from Loma Linda University of California supports the evidence that laughter triggers healthful phsyiological responses similar to those produced by exercise. Research subjects who watched funny videos experienced positive changes in blood pressure. Study author Lee Berk suggests spending time each day with people, videos, or blogs that crack you up. “A joke break takes you off the merry-go-round, the spinning of everyday life,” he explains, and daily laughts may remind you not to take things too seriously in your day.