Why Zebras Don't Get Ulcers: The Acclaimed Guide to Stress, Stress-Related Diseases, and Coping

by Robert M. Sapolsky

Cholesterol also plays into this. As is well understood, there is “bad” cholesterol, also known as low-density lipoprotein-associated cholesterol (LDL) and “good” cholesterol (high-density lipoprotein-associated cholesterol, HDL).