"It is a drug in the same sense that anything can cause addiction and withdrawal or be unhealthy. Caffeine is, by itself, a drug in a different sense. It cause

"It is a drug in the same sense that anything can cause addiction and withdrawal or be unhealthy. Caffeine is, by itself, a drug in a different sense. It causes a slight addiction and can cause slight withdrawal." This seems like a drug in the same sense, can you clarify? Rather than making stuff up, here's dictionary definition of drug: a medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body. As a user of both sugar and broccoli I can anecdotally attest that they do not have the same physiological effect on my body.