In other words, those experts and others believe that behavior can be a result of physical changes in the brain. (educationworld.com)
This feels true for my son, who seemed to shut down socially during puberty — perhaps because of physical changes in his body and new challenges in his peer relationships. (greatergood.berkeley.edu)
Aside from a lot of hormonal changes taking place during pregnancy, there are also a variety of physical changes as well. (vkool.com)