For older adults, a lack of exercise may put their risk of developing dementia on par with that of adults who are genetically predisposed to the disease. This is the conclusion of a new study published in the Journal of Alzheimer's Disease.
[An older man watching television]
Researchers suggest that sedentary behavior puts older adults at just as much risk of developing dementia as those who are genetically predisposed to the disease.

Worldwide, there are around 47.5 million people living with dementia. By 2030, this number is expected to rise to approximately 75.6 million.

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