Laughter can help relieve stress. In fact, researchers believe a hearty guffaw has many health benefits — including boosting your heart rate and sending oxygen to tissues to give you a mild workout, burning calories in the process. It’s also been found to increase blood flow, boost the immune system, keep blood sugar levels low, and improve sleep. So, to get you laughing and improve your health, I offer the only healthcare design joke I know (origins unknown).