Addiction takes its toll in many ways, and there are perhaps fewer more damaging than when an individual lets his or her addiction impact work performance. Many in San Francisco and other parts of the country who enter drug rehab do so after their abuse has had a negative impact on their job performance, and in many cases, resulted in loss of employment. While addiction can be overcome with the right help, there’s no denying that the powerful effects of drug and alcohol abuse have a significant negative impact in the workplace. This video highlights just how serious this problem is.