A recent study published in The Lancet Global Health examines the factors influencing healthy brain aging in Latin American countries, revealing that disparities in health and social factors play a more significant role than demographic characteristics. The study highlights education as a primary driver of cognitive outcomes in Brazil, contrasting with other Latin American nations where mental health factors are more influential.
In a recent study published in The Lancet Global Health, researchers delved into the factors influencing healthy brain aging in individuals from Latin American countries, including Brazil, Colombia, Chile, Uruguay, and Ecuador. The study found that disparities in health and social factors play a more significant role in determining differences in functional ability and cognition compared to demographic characteristics.
For Brazil specifically, education emerged as a primary driver of cognitive outcomes. This finding stands in contrast to other Latin American nations where mental health factors seem to exert a stronger influence. The researchers utilized machine learning techniques to analyze a large cohort of individuals, with an average age of 70.8 years. The sample encompassed 41,092 participants, representing the diverse demographic tapestry of these countries. Data points included cognitive test results, functional ability assessments, education levels, socioeconomic status, social isolation, mental health indicators (anxiety and depression), lifestyle factors (smoking, alcohol consumption, physical inactivity), and chronic health conditions (heart disease, hypertension, diabetes).The study revealed intriguing insights into the interplay between various factors and brain health. For instance, while participants from Brazil were younger and had higher educational attainment compared to their counterparts in other countries, they also exhibited the lowest scores for both functional and cognitive abilities. Conversely, physical inactivity was lowest in Brazil, and the prevalence of anxiety and depression symptoms was highest. This complex interplay of factors underscores the need for comprehensive interventions targeting both social and health determinants to promote healthy brain aging, particularly in countries like Brazil facing significant socioeconomic disparities
BRAZIL LATIN AMERICA BRAIN HEALTH COGNITIVE DECLINE EDUCATION MENTAL HEALTH SOCIAL DETERMINANTS PUBLIC HEALTH
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