STILL SMOKING? –
June 4, 2026 – Emerging evidence suggests that breathing in polluted air is tied to a higher risk of developing dementia.
For many city residents, that’s impossible to avoid, but other substances we inhale are more within our control. n analysis of self-reported health data in the United States, collected as part of a decades-long study, has now found that quitting smoking in later life is tied to a 16 percent lower risk of dementia.
In fact, participants who quit smoking had a similar dementia risk in older age to those who had never smoked at all.
But there seems to be a tentative catch.
