A few minutes of chewing gum may help reduce anxiety and even improve mood by reducing cortisol levels. (inc.com)
But certain natural substances have been proven to be safe and effective in reducing cortisol levels as well. (naturalhealth365.com)
He can also eat blueberries, which are high in antioxidants and help reduce cortisol levels (a hormone associated with stress). (my.clevelandclinic.org)