Māori people peaceful tribes from their productive turangawaewae, such as the Moriori in the Chatham Islands by invading forces from North Taranaki, had a catastrophic effect on these conquered tribes. At the same time, the Māori suffered high mortality rates for new Eurasian infectious diseases, such as influenza, smallpox and measles, which killed an unknown number of Māori: estimates vary between ten and fifty percent. The spread of epidemics resulted largely from the Māori lacking acquired immunity to the new diseases. A huge influx of European settlers in the 1870s increased contact among many of the indigenous people with the newcomers. Te
Indigenous health in Australia of disease experienced by Indigenous Australians. The remaining 63% consists of a range of known and unknown risk factors, yet to be identified or quantified. Poor-quality diet among the Indigenous population is a significant risk factor for three of the major causes of premature death in Indigenous Australians – cardiovascular disease, cancer and type 2 diabetes. Much of this burden of disease is due to extremely poor nutrition throughout life. A 2013 study of Indigenous dietary patterns in Northern Territory communities found there was a high expenditure on beverages and corresponding high intake of sugar-sweetened beverages coupled with low expenditure