There are three things a Christian needs to do, in order to be blessed in their finances. The first is tithing. The second is giving offerings. The third is living within a budget. Several Christian pastors have done teachings on this. Look up Robert Morris and Rick Warren.
Has your friend tried any of the following? Ayurveda. Traditional Chinese medicine. Naturopathy. Integrative medicine. These four branches of health sure helped me. Some medical doctors (M.D.s) practice integrative medicine. You can find one on IFM.org Good luck
If your friend is depressed, tell them to start listening to praise and worship music. Or to start listening to scripture read on YouTube. That might help.