Exp Dermatol. 2012 Mar;21(3):231-3. doi: 10.1111/j.1600-0625.2011.01439.x.Selected by G. Valacchi, Ferrara, Italy Towards a molecular understanding of comorbidity in psoriasisPatients with psoriasis are not only burdened by their chronic cutaneous inflammation but also suffer from metabolic disorders such as obesity and cardiovascular disease.