How much muscle can you build without crossing the line? This article explores the hard biological limits of natural muscle gain, what determines them, and the real costs of trying to push beyond them. When growth becomes obsession, many chase shortcuts — but the consequences can be deadly. Choose wisely: muscle that lasts, or muscle that lies.

How strong can a human really get? From freak lifts and lab-enhanced performance to strength in bodies that defy the odds, The Limits of Human Strength explores the physical, ethical, and emotional frontiers of what it means to be powerful. This six-part series dives into evolution, muscle, machines, and mindset — not to define strength, but to test its edges.