As a sidebar to a Wall Street Journal article on cleaning products, 5 therapeutic side effects of cleaning are laid out.
1. Sense of Control: People feel they've accomplished something after scrubbing up the house
2. Achievement: Accomplished a goal
3. Exercise: House cleaning exersion is considered moderate exercise that helps reduce stress.
4. Taking care of the family: Feeling better after decluttering and cleaning as a benefit to family
5. Nostalgia: Some want to be like Mom.