See What Makes Muscles Grow (and Shrink)

Important factors in muscle growth (or lack thereof)

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Rachel Nussbaum—We love a good video on the science behind living well, which is why we dig this TED-Ed short about what's happening when you bulk up (or atrophy away). At attention, inner nerd—find out why eating well, sleeping, and lifting something heavier than your cat are all important factors for building muscle and getting stronger.

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