Why Zebras Don't Get Ulcers, Third Edition: The Acclaimed Guide to Stress, Stress-Related Diseases, and Coping – Now Revised and Updated

hedonism is “the pursuit of pleasure,” anhedonia is “the inability to feel pleasure”

When it’s two-thirty on those mornings, I always have a brain tumor. These are very useful for that sort of terror, because you can attribute every conceivable nonspecific symptom to a brain tumor and justify your panic. Perhaps you do, too; or maybe you lie there thinking that you have cancer, or an ulcer, or that you’ve just had a stroke.

As a measure of how extraordinarily efficient this repeated bifurcation is in the circulatory system, no cell in your body is more than five cells away from a blood vessel—yet the circulatory system takes up only 3 percent of body mass