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Work Productivity Plummets 15 Years Before Dementia Diagnosis
10 Jul
Summary
- Dementia diagnosis linked to significant income loss up to 15 years prior.
- Average personal income loss reached $86,000 over the study period.
- Productivity decline varied by dementia type, starting earliest for frontotemporal.
Individuals diagnosed with early-onset dementia showed a measurable decrease in work productivity as early as 15 years before their official diagnosis, a study of nearly 800 patients in Finland discovered.
The research, published on July 8, 2026, in Neurology, found that income losses associated with the condition steadily increased in the years leading up to diagnosis. These losses amounted to an average of €74,577 (approximately $86,000) per person.
Researchers tracked 793 individuals diagnosed with early-onset dementia and compared their income data from national tax records to a control group. The study analyzed income decline based on dementia type, with frontotemporal dementia showing productivity losses starting 11 years prior to diagnosis.
This extensive period of unrecognized symptoms highlights the long-term socioeconomic impact of early-onset dementia. The findings suggest that cognitive decline likely precedes diagnosis for several years, with potential early signs appearing as reduced job performance.
