After Part 2 of our Road 2 Recovery series shocked many viewers, one of Nevada's leading Addiction Psychiatrists weighs in on why it is so difficult for some to get out of addiction's grasp.

Tuesday night, we took you behind the scenes of The Salvation Army, which is not only in the business of recycling goods - but recycling lives; lives of hundreds of men battling drug and alcohol addiction. In part two of our Road 2 Recovery series, meet the three men we have been following for the past 180 days.