Does physical exercise actually have any psychological benefits?

We are constantly told that exercise is the solution to battle many psychological symptoms, but is that actually true?
How Does Body Image Affect Our Mental Health?

Firstly, before we discuss how body image affects our mental health, we should define what body image is. Body image is the sum of how a person feels, thinks, behaves and views their body [1]. The way each person visualises and behaves towards their body is unique to everyone and manifests in a variety of ways.