The Maori war , the haka, and being may help to keep away. A looked at dementia in people in their and 90s. Maoris have less health , less and more heart than non-Maoris. The researchers found no between Maoris and -Maoris.
The haka is an old war . People chant and stamp their . Warriors did it before to show their . The famous All Blacks rugby started using in 1905. The All Blacks now do it before their . A said that thinking about and doing the haka help to keep the healthy.