Have you ever felt a little twinge or ache in your body, but you’re not sure where it came from? It might have been a growing pain! Just like a plant stretches toward the sun, your body might stretch too as you grow bigger. We asked medical researcher Kira Bacal about the science behind these pains.

Got a question that’s growing in your mind? Send it to us at BrainsOn.org/contact – it won’t be a pain to help find the answer!