Six main causes of dementia and how to prevent them

Nearly three-quarters of dementia cases can be prevented, according to a recent study that examined 210 potential risk factors.

Among these factors, researchers identified 62 preventable ones, categorized into six groups. These factors are estimated to contribute to 47-73% of dementia cases.

Excessive TV viewing and inadequate sleep (less than seven hours or more than nine hours per night) were among lifestyle choices linked to a higher dementia risk.

The most significant of these 62 factors include frailty (measured by weak hand grip) and medical conditions such as diabetes, disability, or previous stroke.

Dementia: 62 factors

Even these medical risks can be mitigated through a healthier lifestyle, incorporating regular exercise and a balanced diet.

This extensive study involved over 344,000 British people, who underwent detailed surveys for the UK Biobank Health Study and were tracked for an average of 15 years.

The 62 potential dementia prevention factors were identified because they were more prevalent among the 4,654 study participants who developed the condition.

Professor David Smith, a co-author of the study from the University of Oxford, emphasized, that many people still believe that dementia is an inevitable part of aging

Professor David Smith, a co-author of the study from the University of Oxford, emphasized, that many people still believe that dementia is an inevitable part of aging

Improving all six categories—lifestyle, medical history, physical indicators, socioeconomic status, social and psychological factors, and local environment—from a poor level to a good or moderate level could prevent 47% of dementia cases

Six categories to focus on

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