While walking at the park, Henriette notices some unusual swelling in the hands. This is a common phenomenon that occurs more often in warm weather because the increased energy demands from exercising tend to direct blood away from the hands and fingers and towards the heart, causing them to become cooler. In turn, blood vessels in the hands respond by becoming wider, resulting in swelling. Some ways to ease hand swelling due to exercise: remove rings, perform forward and backward arm circles (l