Painting and sketching are the ways to express yourself. For some people it is their obsession, for others it is a way to relax their minds. While others consider it a way to make a connection with their inner-self. In any case sketching and painting are something intricate yet soothing and fascinating.
I believe that to display your art you do not have to be a great artist. You just have to draw you emotion and personality on paper.
I really think it does, especially to those people who really love arts. Painting or sketching diverts your mind and lets you focus on other things. Hence, it can help you to relax and lessen stress. Diversion is really good to remove stress and to relax.