The changing perception of Boo radley is important and inspirational. It teaches us to look further than what we see, or what others say about a person. What seems to be an evil, can turn out to be a guardian. This book shows us that when you look at the world through an open and new perspective, monsters can turn into men.
B. Bone denesity because as we age our bones become brittle and can break easily hence why older people often break their wrist or hips when falling. And being fit can help.