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There becomes a point for individuals where even walking becomes difficult, if you can imagine a sudden death is often a result of cardiac arrest and heart disease, then no it has nothing to do with walking but the issue of obesity. For most individuals in this category walking is considered strenuous exercise. Meaning that even doing 30 minutes of it can be considered the equivalent to a high intensity workout. It's a sad thought to think about about approximately 1 in 4 Americans are already on track for this by 2030.

Exercise is essential yet in our modern lives it does not exist in a mandatory form. The entire workplace structure of our society needs to be redone.