There are many different forms of creative expression. While each form is different, they all have one main thing in common, they help relieve stress. Deane Alban's article on bebrainfit.com explains how when you create art, it provides a distraction which gives your brain a break from your various thoughts. In addition the article also discusses how art trains your brain to concentrate on details.
How Art Can Benefit Your Emotional and Physical Health
There are various types of art, each providing different benefits. An article on newsinhealth.nih.gov discusses how different art forms can help with different health issues. For example the article talks about how listening to music can help a patient who is recovering from a stroke. It can help with both their memory as well as helping them to focus their attention. Additionally, the article also states that listening to music can also help to reduce post stroke depression and confusion.