Top Benefits of a Substance Free Life for Health and Well-Being. Is your loved one a victim of drug usage and recently got out of rehab? Or are you personally feeling like consuming drugs again, even though you have been clean for the past few months? The use of drugs often comes with its struggles, which can eventually become quite a lot if not addressed. Like you, there are millions of people and families around the world who have been affected by drugs. But if you’re on the road to recovery, then it’s important to know the top benefits of leading a substance free life.