Or they can also be spiritually and physically destructive without intention or direction. Or even with intention, if your intention is wrong

its hard work, introspection, honesty, and life experience that will reduce the ego, not drugs

spacexplorer, I fully second this.

In the past drugs enabled me to make changes to my life but without me making the changes in my daily life the experiences would have been nothing. Taking drugs is easy, making changes to your habits is, at least for me, hard. Drugs can give you a different view on yourself but they can't make the change for you.