The Claim
Between 1991 and 2021, the global prevalence of Alzheimer's disease and other dementias among adults aged 65 and older increased by 160%, from 18.7 million to 49 million cases, driven primarily by population aging and longer life expectancy, posing a growing challenge to global healthcare systems due to rising demand for long-term care and support services.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
From 1991 to 2021, the number of adults aged 65 and older with Alzheimer's disease and other dementias worldwide rose from 18.7 million to 49 million, a 160% increase, primarily because people are living longer and the population is aging.
See the scientific wording
Between 1991 and 2021, the global prevalence of Alzheimer's disease and other dementias among adults aged 65 and older increased by 160%, from 18.7 million to 49 million cases, driven primarily by population aging and longer life expectancy, posing a growing challenge to global healthcare systems due to rising demand for long-term care and support services.
High blood sugar and excess body fat cause the brain to accumulate toxic proteins and trigger inflammation, which kills brain cells and impairs memory over time.
What the research says
1 studyThis study found that the number of older adults with Alzheimer's or other dementias more than doubled from 1991 to 2021, mainly because more people are living longer, which means more families and hospitals are dealing with the disease.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.