Genetics.

Roy, 
Look I have no problem with your last comment. And I do not know exactly what it is like in New Zealand regarding the Maori, we have got quite a few in this part of W.A., they get on with their lives the same as the rest of us. 
There is something terribly wrong in Australia regarding the Aboriginal, racism is part of the mix, the government is showing concern, in that direction, but a cynic, might believe it has something to do with the upcoming election. There is something in returning to a wholesome diet, Booze and donuts is not a good diet, and fast foods are causing universal health problems. 
The biggest influence I believe on the health and wellbeing of people is the environment in which they live and their culture not so much genetics.

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