It's a socially acceptable vice-most of us have indulged in it from time to time. Some companies even sponsor employee outings to casinos. It is this widespread acceptance that makes problem gamblers so difficult to detect. Yet, having one on your payroll can be every bit as insidious as harboring a drunk or drug addict.
Substance abuse shows up in urine and abusers usually reveal themselves in fairly short order through shortcomings in job performance. Problem gamblers, on the other hand, can function on the job indefinitely. Nor do they ever overdose. You are not likely to find out about the problem until the gambler starts to rob you.