Whose first novel was titled "This Side of Paradise"?

SQinfoNUTS, he died of occlusive coronary arteriosclerosis, which can be caused by all manner of things like high blood pressure, high cholesterol, diabetes, diet rich in trans-fat, etc. He was 44 years old, not 46.

F. Scott Fitzgerald died at the age of 46. What was the cause of his death?