Safety & Substance Abuse Don't Mix Drug use and alcohol consumption are normally considered personal issues. They only become an employer's concern when they affect safety and worker performance. Drug and alcohol abuse cost employers through high absenteeism and sick pay. Abusers hurt themselves and their families if they lose their job as a result of their actions. If they are fired or cannot function on the job, the company loses the services of an experienced worker. Those under the influence of drugs or alcohol cause friction in the work group, lower morale and work efficiency, use poor judgment that results...