Jon Kabat-Zinn. is a leading expert on meditation and health. Visit his web page and go from there. http://www.mindfulnesscds.com/ I practice mindfulness meditation and use it in my clinical practice. The key is not to give up when you realize you can't stop talking to yourself. Keep practicing and you'll start to realize the benefits!
Many places. There are many forms of meditation. Deepak chopra has primordial sound meditation; there is transcendental meditation; and there is mindfulness meditation also. Sharon salzberg, jon kabat-zinn, jack kornfeld and many others teach this form. You can check your library for books and tapes; also soundstrue.Com has many resources. Mindfulness for beginners is a nice one to start with. Enjoy!