You can heal both the body as well as the mind through meditation. There are many different kinds of meditative techniques available, and most of them are either free, or can be a course in miracles podcast borrowed from your local library. There are of course techniques that cost thousands of dollars, and claim that you can achieve the highest levels of consciousness possible, and this is great for some people. However, the majority of the population who seek healing through meditation aren't concerned with transcending their physical awareness, or fly, they just want to be at peace with themselves. Really, you don't need to spend that kind of money to get these benefits.
The first place to start before you even sit down and meditate for the first time is to have an open mind. You don't need to be at the bottom in order to use meditation, but a lot of people seek these healing energies only as a last resort, after all other avenues have failed. You don't have to wait until you are in dire need to resort to meditating, and in order to get the full benefits in as short a period of time as possible, you should start right away.
There are three basic aspects of using meditation for healing, spiritual, mental, and physical. You can use meditation as a way to be closer to your higher power, as an extension of prayer. You can use this power mentally, to reduce anger, stress, anxiety, and a myriad of emotional and psychological problems, including depression. You have power or your body, through your mind, and your mind has to power to heal the physical problems that are going on in your body, and using meditation can help you learn to fight disease, cure illnesses, and mend bones and tissues using your mind.
Yes, you may be skeptical about all of this, but, look on the internet about how this techniques are working already in the real world. Many cancer agencies, are using meditative techniques along with diet and exercise, spiritualism, to fight cancer, and it works. The first step is to believe in yourself, and believe that you have to power to change and heal yourself. The next step is to learn all that you can about the illness or disease you have.