On New Year’s day, it was reported that legendary singer Natalie Cole had died at the age of 65. Friday (January 8th) we learn that the ‘Unforgettable’ singer died from complications stemming from idiopathic pulmonary arterial hypertension, leading to heart failure. Cole’s family released a statement to the AP, explaining she had kidney surgery back in 2009 and was diagnosed with idiopathic pulmonary arterial hypertension. This disease effects the lungs and causes shortness of breath, dizziness, and chest pain. Read more below.