If you are looking for information combining meditation and the effect on western medicine I would suggest a few different authors.
1. Herbert benson, The Relaxation Response.
2. John Kabot-Zinn PHD Md
3. Richard Carlsen
4. Andrew Weil a Havard Md
5. Dean Ornish a Holistic approach to treating heart and blood pressure.
There are others but that ought to give you