Sudden withdrawal from coffee and cigarettes can trigger symptoms that mimic serious disease, leading to unnecessary tests in hospital intensive care units, a new review concludes. “Nicotine and caffeine are some of the most commonly used and highly addictive substances in modern society, but they are often overlooked as a potential source of significant withdrawal symptoms when abruptly discontinued in ICU,” said review leader Dr. … Continue reading Caffeine, Nicotine Withdrawal Can Lead You to the ICU and Cause Problems for You There.