Yes but personal anecdotes are not data and I'm pretty sure secular treatment has helped a lot of peopleFrom my study, there is usually a physical problem that needs correction and there are also those that affect the soul and spirit of each individual. I'm not an expert on addictive personality disorders or chemical dependencies, but have seen success within my circle of influence. God Himself has all knowledge and power. Knowing Him provides a great benefit.
That makes about as much sense as going to the doctor for a broken arm and then refusing treatment because the doctor isn't Christian