Anything that gets the adrenalin moving like a 440 volt blast in a copper bathtub is good for the reflexes and keeps the veins free of cholesterol... but too many adrenaline rushes in any given time span has the same effect on the nervous system as too many electro-shock treatments are said to have on the brain: after a while you start burning out the circuits. When a jackrabbit gets addicted to road-running, its only a matter of time before he gets smashed — and when a journalist turns into a politics junkie he will sooner or later start raving and babbling in print about things that only a person who has Been There can possibly understand.

Fear and Loathing: On the Campaign Trail '72 (1973)