Does loneliness accelerate memory loss? A European study with over 10,000 elderly individuals reveals the real impact of isolation on the brain.

Esses achados ressaltam a importância de abordar a solidão como um fator que, embora não acelere o declínio da memória, influencia a qualidade de vida dos idosos. A pesquisa sugere que intervenções sociais e programas de apoio podem ser cruciais para melhorar o bem-estar cognitivo e emocional dessa população.

The difference between the starting point and decline, according to study

For specialists, understanding that loneliness affects the “starting point” and not the “speed” of brain wear is a game changer. During the follow-up, all elderly participants underwent immediate and delayed recall tests, such as memorizing lists.

Those who felt lonely scored worse from the first test, but after seven years, the proportional decline in performance was identical to that of people with an active social life. Luis Carlos Venegas-Sanabria, the lead author of the research, highlighted that the result was unexpected.

According to him, the study reinforces that isolation acts by reducing the baseline level of brain function. Therefore, although time wears down the mind of everyone similarly, those with robust social connections retain a greater safety margin against total loss of autonomy.

Methodology and implications for public health

The data that underpinned these conclusions came from the Survey of Health, Ageing and Retirement in Europe (SHARE). The study, published in the journal Aging & Mental Health, analyzed precisely 10,217 individuals, aged between 65 and 94 years, spread across 12 countries.

This long-term monitoring allowed for the observation that memory is influenced by multifactorial factors, where the quality of relationships is as relevant as the management of chronic diseases. In light of the global aging population, scientists recommend that the assessment of feelings of isolation be integrated into routine examinations.

Treating loneliness as a public health issue may help raise the baseline level of elderly cognition. In summary, although one cannot prevent the passage of years, ensuring a solid social support network allows the brain to begin its natural decline from a much higher and safer level.

With information from Revista Galileu

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