Swing those arms to get your blood flowing and help your immune system!

The arm-swinging exercise really took off after many people falsely believed it could cure cancer following a Taiwanese surgeon's experience with doing the exercise regularly while he had colorectal cancer. — Filepic

If you are a frequent park-goer, you would have noticed that older exercisers tend to exaggerate their arm movements.

Whether they’re walking or standing still, they swing their arms a lot.