View post: I Ran in the R.A.D SYNTH Through Weeks of Tempo Training, Easy Miles, and Intervals. They Quickly Became My Go-To for One Type of Run Cardio-Bike-Workout Cardio supports heart health, ...

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Even 15 minutes of cycling a day can improve cardiovascular health. Bohdan Malitskiy/ Shutterstock In today’s fast-paced world, finding time for exercise can be challenging. This probably explains why ...