According to the “brain clock,” the brain ages fastest in women, those living in Latin America and in countries with greater social inequality. According to the study’s author, Agustin Ibáñez, a neurophysiologist at the Adolfo Ibáñez University in Santiago, the age of the brain is related to the person’s place of residence, occupation, socio-economic status and level of environmental pollution.
The results of the new study were published August 26 in the journal Nature Medicine.
Scientists looked at brain aging through the diagnosis of functional connectivity. It represents the degree to which different parts of the brain interact with each other. To do this, experts analyzed data from residents of 15 countries: Mexico, Cuba, Colombia, Peru, Brazil, Chile, Argentina, USA, England, Ireland, China, Japan, Italy, Turkey, Greece.
The study found that people with Alzheimer’s disease or other types of dementia had a larger difference between their brain age and their actual age than those with mild cognitive impairment or those who were healthy.
On average, the gap was larger among those from Latin American and Caribbean countries than among those from other countries, experts say, because of the large gap between the social and economic status of those living there.
It was also found that women living in countries with high gender inequality had a higher brain age difference than men living there.
Source: Ferra
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