We know that doctors are influenced by their HMO's and the drug companies. While the influences tend to slant their care, their are positives as well. A few years ago my doctor was giving me free samples of something she prescribed, enough to cover the whole month so that I didn't have to get it from the pharmacy.
However, we know doctors may not be prescribing the best medicine for the ailment, due to these influences. This leads to other problems, including drug interactions and unforeseen side effects.
Dr. Mercola is a huge advocate of using natural methods to treat most anything, and I support that. While some illnesses will not go away or get better with a natural treatment, a great many will.