Thank you all for your opinions and ideas.
To speak to both IMMA's target groups (health-interested general public and health professionals, including doctors)
I'll have another try to let the wording be both understandable, heart-felt, meaningful and short, while going from general to specific:
!!Mission Statement
IMMA is organized for public benefit, to empower the world by sharing the scientific understanding of self-healing. 
!!!Why
We believe that raising the consciousness about what is creating resilience and life quality, will change the current health paradigm and health practice!
!!!How
Our beautiful international community develops and applies the understanding of the interconnectedness of Body, Mind and Social relationships, so that we can uncover the root cause of physical and emotional disease. 
!!!What
IMMA as Non-Profit organization is offering support for you and your clients, family and friends, by
*publishing the free online magazine META-Healthy Life to educate, convince and empower the world to create well-being
*sharing the living knowledge-base META-Wiki as well as educative material with her members
*co-organizing meetings and conferences for Health Professionals and for everybody interested to join our community
*providing an online platform for research, mutual support, and sharing
*maintaining a case database for research and study
*defining clear standards for different competence levels and a Code of Practice for all META-Health Practitioners
*maintaining and publishing a list of certified META-Health Practitioners ready to help you to transform dis-ease into ease and empowerment
*informing about META-Health events and trainings around the world!