This is a brilliant article explaining how Family Constellations work and providing examples of the powerful healing and insight that clients receive from doing a constellation.
http://www.nasconstellations.org/blog/disease-as-chance-every-symptom-and-disease-has-a-message
If you would like to experience this in real life I am holding a Systemic Family Constellation Workshop 28 Oct in Meadows, South Australia. For details click here.