The Norwegian crown princess Mette-Marit turns out to be a chronic lung disease. It would according to the Court, go to a unusual variant of pulmonary fibrosis. The woman is mid-forties, and married to the crown prince ” Haakon. They had a few years of health problems, because her condition had settled down. So now is clear why that is. The couple decided the diagnosis is not to keep it a secret, so that the people in the future know why they are sometimes absent.