Q&A: How can someone be helped to overcome depression without medications?

Question by Carabina: How can someone be helped to overcome depression without medications?
My dearest friend has been dealing with bouts of depression. He is unsure of what they are caused by. He will have a perfectly great moment then suddenly without any outside trigger he plummets into a depression that could last a couple of hours of up to a week, then he will be fine again for a couple of days. He doesnt know why this occurs and when it does I find it that not irritating him with

Attacking Anxiety And Depression