{"id":24945,"date":"2026-04-24T06:30:00","date_gmt":"2026-04-24T11:30:00","guid":{"rendered":"https:\/\/okdiario.com\/metabolic\/en\/?p=24945"},"modified":"2026-04-24T06:12:43","modified_gmt":"2026-04-24T11:12:43","slug":"feeling-lonely-after-age-65-can-affect-memory-but-a-european-study-of-more-than-10000-adults-reveals-an-unexpected-twist-when-it-comes-to-brain-decline","status":"publish","type":"post","link":"https:\/\/okdiario.com\/metabolic\/en\/health\/feeling-lonely-after-age-65-can-affect-memory-but-a-european-study-of-more-than-10000-adults-reveals-an-unexpected-twist-when-it-comes-to-brain-decline-24945\/","title":{"rendered":"Feeling lonely after age 65 can affect memory, but a European study of more than 10,000 adults reveals an unexpected twist when it comes to brain decline"},"content":{"rendered":"\n

Feeling alone may leave a mark on memory<\/a>, especially for older adults. A major European study<\/a> of more than 10,000 people found that those with high loneliness scored worse on memory tests at the start, but their memory did not decline faster over the next seven years.<\/p>\n\n\n\n

That is a careful but important distinction. Loneliness is still a major health concern, but the new findings suggest it may act more like a lower starting line for memory than a force that keeps pushing the brain downhill.<\/p>\n\n\n\n

A lower starting line<\/h2>\n\n\n\n

The research analyzed 10,217 adults ages 65 to 94 from 12 European countries. The data came from the Survey of Health, Ageing and Retirement in Europe<\/a>, a long-running project that follows health, social life, and aging across the continent.<\/p>\n\n\n\n

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Researchers looked at records from 2012 to 2019. Participants came from countries including Germany, Spain, Sweden, and Slovenia, then were grouped into Central, Southern, Northern, and Eastern regions.<\/p>\n\n\n\n

The striking part was not that lonely people did worse at first. It was that, over time, their memory decline looked much like everyone else\u2019s.<\/p>\n\n\n\n

How memory was tested<\/h2>\n\n\n\n

Memory was measured in a simple way. Participants heard a list of 10 words and were asked to remember as many as possible right away, then again after a delay.<\/p>\n\n\n\n

That kind of test checks immediate recall and delayed recall. In everyday terms, it is the difference between remembering a grocery item the second someone says it and still remembering it later, after your attention has moved somewhere else.<\/p>\n\n\n\n

People with a dementia history, including Alzheimer\u2019s disease, were not included. The team also excluded people whose daily activities, such as walking, eating, or showering, were already impaired.<\/p>\n\n\n\n

Loneliness is not just being alone<\/h2>\n\n\n\n

Loneliness was defined as \u201cfeeling alone.\u201d That matters because a person can live alone and feel connected, or live with others and still feel cut off.<\/p>\n\n\n\n

The researchers asked whether participants felt they lacked companionship, felt left out, or felt isolated from others. Those answers placed people in low, average, or high loneliness groups.<\/p>\n\n\n\n

A U.S. Surgeon General\u2019s advisory<\/a> makes a similar distinction. Social isolation means having few relationships or infrequent contact, while loneliness is the painful gap between the connection a person wants and the connection they feel they have.<\/p>\n\n\n\n

What the numbers showed<\/h2>\n\n\n\n

At the start of the study, 92 percent of participants reported low or average loneliness. The high-loneliness group, about 8 percent, tended to be older and mostly female.<\/p>\n\n\n\n

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That group also reported worse health. Depression, high blood pressure, and diabetes were more common among them, which is one reason the findings need careful reading rather than a quick headline.<\/p>\n\n\n\n

Southern European countries reported the highest loneliness level at 12 percent. Eastern and Northern regions were each at 9 percent, while Central Europe was at 6 percent.<\/p>\n\n\n\n

Why dementia fears are complicated<\/h2>\n\n\n\n

Loneliness and social isolation have often been discussed as possible dementia risks. The 2024 Lancet Commission on dementia<\/a> named infrequent social contact among 14 modifiable factors that, taken together, may be linked to a large share of preventable or delayed dementia cases.<\/p>\n\n\n\n

But this new study lands in a more nuanced place. It found a clear link between loneliness and lower memory scores at the beginning, not evidence that loneliness made memory fade faster during the study period.<\/p>\n\n\n\n

So, does loneliness damage the brain? The answer is not settled, and this study cannot prove cause and effect. For the most part, it shows an association, which means loneliness and weaker memory appeared together but one was not proven to cause the other.<\/p>\n\n\n\n

What doctors could do next<\/h2>\n\n\n\n

The authors suggest that loneliness screening could become part of routine cognitive checks for older adults. In practical terms, that might mean asking about companionship and isolation along with the usual memory questions.<\/p>\n\n\n\n

Lead author Dr. Luis Carlos Venegas-Sanabria<\/a>, of the School of Medicine and Health Sciences at Universidad del Rosario, said the result was surprising because loneliness affected memory but not the pace of memory decline over time. The author team also included researchers affiliated with Cl\u00ednica Universitaria de Navarra, Universitat de Valencia, and Karolinska Institute.<\/p>\n\n\n\n

\u201cThe study underscores the importance of addressing loneliness as a significant factor in the context of cognitive performance in older adults,\u201d he said.<\/p>\n\n\n\n

The human side<\/h2>\n\n\n\n

For families, the finding is both reassuring and uncomfortable. It suggests loneliness may not be a fast-moving engine of memory loss, but it still seems tied to how well older adults perform on memory tasks<\/a>.<\/p>\n\n\n\n

A weekly call, a meal with neighbors, a walking group, or a regular community class<\/a> will not turn into a guaranteed brain shield. Still, these small routines can make the day feel less empty, and for many older adults, that alone matters.<\/p>\n\n\n\n

Health systems may also have a role. A 2020 National Academies report <\/a>described social isolation and loneliness in older adults as serious but underappreciated public health risks that health care settings can help identify.<\/p>\n\n\n\n

Limits and takeaway<\/h2>\n\n\n\n

The study treated loneliness as if it stayed the same over time. In real life, loneliness can shift after a move, a death in the family, a new friendship, or a change in health.<\/p>\n\n\n\n

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The findings also focus on memory, not every part of thinking. Attention, judgment, language, and problem-solving can change in different ways, so the result should not be stretched beyond what the researchers measured.<\/p>\n\n\n\n

For now, the message is balanced. Feeling lonely appears linked to weaker memory performance in older adults, but this study suggests it does not necessarily make memory decline faster.<\/p>\n\n\n\n

The official study has been published in Aging & Mental Health<\/em><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Feeling alone may leave a mark on memory, especially for older adults. A major European study of more than 10,000 … <\/p>\n

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