The predicted rise in cases is largely down to ageing populations with unhealthy lifestyles, experts say.
By 2050, more than 153 million people could have dementia, up from 57 million in 2019, experts are warning.But unhealthy lifestyles contribute too, the researchers say inRisk factors that urgently need addressing and account for more than six million of the projected increase include high rates of smoking, obesity and diabetes, they say.
But it is not an inevitability. The researchers point to the importance of improvements in access to education in countries around the world and say that their projected figure for 2050 has already been adjusted downwards by 6.2 million based on what is expected to happen in this area. "Even modest advances in preventing dementia or delaying its progression would pay remarkable dividends.
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