#CBC: “Smoking linked to higher dementia risk” #Toronto #Montreal #Calgary #Ottawa #Canada


Smokers have a better threat of growing dementia, however giving up smoking can decrease that threat, in accordance with a brand new research in South Korea.

Long-term quitters and those that had by no means smoked had 14 per cent and 19 per cent decrease dangers for dementia, respectively, in comparison with people who smoke who saved up with the behavior, the research authors reported within the Annals of Clinical and Translational Neurology.

“Smoking is well known for its thousands of negative health consequences, including cancers and cardiovascular diseases. However, its impact on our brain is relatively less emphasized,” mentioned lead research writer Dr. Daein Choi of the Seoul National University College of Medicine. 

The article cites a number of case-control research from the 1980s and 1990s that discovered smoking decreased the danger of Alzheimer’s illness, however these research had been usually funded by tobacco corporations. 

“There has been a misconception that the stimulant effect of nicotine might act as a protective factor for dementia,” Choi instructed Reuters by e-mail. 

Smoking and Alzheimer’s threat

Choi and colleagues studied well being claims from a nationwide database in Korea, specializing in 46,000 males over age 60. Based on questionnaire responses, the researchers labeled the lads as continuous people who smoke, short-term quitters of lower than 4 years, long-term quitters of 4 years or extra, and by no means people who smoke.

From the beginning of the research in 2002 till the tip in 2013, 1,644 males had been identified with dementia.

Compared to continuous people who smoke, long-term quitters and by no means people who smoke had a decrease threat of dementia on the whole, and likewise a decreased threat of so-called vascular dementia, which is brought about by poor blood movement to the mind. Never people who smoke additionally had a decrease threat of Alzheimer’s illness.

“The interesting point is that the increased risk of dementia related to smoking was reversible through smoking cessation,” Choi mentioned. “We would encourage smokers to quit to benefit from a reduced risk of dementia.”

A limitation of the research is that it could not have been lengthy sufficient to totally decide the consequences of smoking cessation on
Alzheimer’s illness, which begins slowly and worsens over time. Plus, smoking habits could have modified after the questionnaires had been returned.

Quit to ‘stop or sluggish’ dementia

Janine Cataldo of the University of San Francisco Center for Tobacco Control Research and Education, who wasn’t concerned in this research, instructed Reuters, “Smoking cessation could be a valuable and feasible intervention to prevent or slow the progression of dementia.”

In a research revealed in 2010, Cataldo and colleagues reviewed earlier analysis publications and located that people who smoke had been nearly two instances extra probably than non-smokers to develop Alzheimer’s illness.

“The myth that smoking protects against Alzheimer’s disease may discourage cessation attempts among older smokers and contribute to the reluctance of health care providers to treat tobacco dependence in older smokers,” she mentioned by 

Additional research ought to have a look at smoking cessation and dementia throughout totally different ethnicities, in addition to with ladies,
Cataldo mentioned.

“Given that smoking is a significant risk factor for cardiovascular disease and Alzheimer’s disease, it makes sense that smoking cessation could become an integral part of the prevention and treatment of Alzheimer’s disease,” she mentioned.

Note: “Previously Published on: 2018-09-20 16:10:47, as ‘Smoking linked to greater dementia threat’ on CBC RADIO-CANADA. Here is a supply hyperlink for the Article’s Image(s) and Content”.

CBC Radio-Canada

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