Following what a French study published this week, middle-aged adults who smoke tend to have lower performance on tests of memory and reasoning compared to non-smokers.
Analyzing data from 5,000 individuals, the scientists found that those who smoked were more likely than non-smokers to be placed in groups with lower grades on tests of memory, reasoning, vocabulary and language.
With the results in view, the report says that smoking is associated with mental decline over the years, as with dementia and a host of physical illnesses.
Compared to smokers, people who quit smoking say they have a tendency to adopt healthier behaviors, including drinking less alcohol and exercise more.
As reported by the investigators, all study subjects were between 35 and 55, to which they came to study for 17 years in some cases.
Finally, the study also served to test how difficult it can be to conduct studies in smokers, as many smokers (more than twice of non-smokers) refused to take memory tests, and in some cases died during the studies.
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Tags: drinking less alcohol, mental decline, non-smokers, smoke, smokers, Smoking can cause mental decline