The Maori war , the haka, and being may help to keep away. Researchers in New Zealand say doing the haka and speaking two might help Maoris avoid dementia. A compared dementia among people in their and 90s. Maoris have less care, less income and more diseases than non-Maoris. However, researchers found differences between Maoris and -Maoris.
The haka is an war cry. People chant and do an dance. They stamp their . Warriors did it before to show their strength to their . The famous All Blacks rugby started using it before their in 1905. The All Blacks now do before all the games they play. A Maori professor said that thinking about the difficult dance of the haka helps to keep the brain .