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When Your Muscles Work Out, They Help Neurons Grow and Heal 4x Faster, MIT Study Shows

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Summary
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82% Informative

MIT engineers found that when muscles contract during exercise, they release a soup of biochemical signals called myokines.

In the presence of these signals, neurons grew four times farther compared to neurons that were not exposed to myokine signals.

Researchers also found that neurons respond not only to the biochemical signals of exercise but also to its physical impacts.

“Neurons are physically attached to muscles, so they are also stretching and moving with the muscle,” Raman says.

“We also wanted to see, even in the absence of biochemical cues from muscle, could we stretch the neurons back and forth, mimicking the mechanical forces (of exercise), and could that have an impact on growth as well?”.