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Have indigenous Amazonian groups found the cure for Alzheimer’s?

According to the result of a study carried out by an international team of researchers, indigenous Amazonian groups would record the lowest rate of dementia in the world. This is particularly the case for the two groups: Tsimane and Moseten.

Within these two tribes, only 1% dementia compared to 11% in the United States for seniors over 65. Has this civilization found the solution to prevent or treat this disease?

Could this be their way of life?

“Something about the pre-industrial subsistence lifestyle seems to protect the elderly Tsimane and Moseten from dementia.”

Margaret Gatz, lead author of the study and professor of psychology, gerontology, and preventive medicine at the Center for Economic and Social Research at USC Dornsife College

These tribes regularly practice physical exercise through their economic activities: fishing, hunting, cultivation, etc. We also note their isolation compared to other non-indigenous Amazonians, pushing them to keep their way of life without being influenced.

This way of life not only protects these natives from dementia. According to previous research published in The Lancetit also exposes the Tsiname to less risk ofcoronary atherosclerosis or complications related to the overflow of fat in the arteries.

If we are to believe the results of this new study, it would therefore seem that the stress, pollution, and diet would increase the risk of dementia and Alzheimer’s.

5 cases out of 435 tested in Tsiname and 1 case out of 169 in Moseten

To achieve these results, the researchers used brain computed tomography or CT images as well as cognitive and neurological assessments and culturally appropriate questionnaires of these tribes to carry out the tests. The process was facilitated by translators and doctors.

The results are unequivocal. In the tribes of Tsiname and Moseten, the rate of dementia related to Alzheimer’s is 1% for individuals of over 60. According to results published in Alzheimer’s & Dementia: The Journal of the Alzheimer’s Associationthere would be only 5 cases out of 435 people tested in Tsiname and 1 case out of 169 in Moseten.

There are more cases of mild cognitive impairment in the same group, respectively 8% and 10% for each tribe. This pathology is manifested by slight memory loss, loss of language and difficulty in orientation.


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