Why Reiki is not enough to heal your physical or emotional issues

We all know the many wonderful benefits of Reiki: it helps us relax, relieves stress, provides an emotional release, boosts immunity and the body's natural self-healing mechanisms, balances and nourishes our energy field, and so on.

However, if you're dealing with major emotional or health issues, benefits of Reiki are only temporary at best.  Reiki doesn't really "fix" anything. Why?