Cardio Matters—And This Is the Most Effective Way to Do It
We’ve spent a lot of time talking about strength training in these newsletters—for good reason. It’s critical for preserving muscle, protecting joints, and keeping you active and independent.
But today, I want
to shift focus and talk about something just as important: cardiovascular fitness.
That means training your heart and lungs—not just getting your steps in or taking a stroll, but working in a way that truly challenges your cardiovascular system and makes it stronger.
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And the best, most effective, and frankly most fun way to do that?
Interval training.
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