Senile dementia corresponds to a serious deterioration of cognitive functions. The World Health Organization (WHO) explains that this syndrome is characterized in particular by memory loss, difficulty orienting in time and space, mood and behavioral disorders, problems attention and concentration…
Air pollution, a risk factor for senile dementia
In 60% to 70% of cases, senile dementia is caused by Alzheimer’s disease. However, these two health problems are not systematically linked. In addition to age (senile dementia remains rare before the age of 65), several factors increase the risk of developing senile dementia: high blood pressure, diabetes, obesity, smoking, sedentary lifestyle, social isolation, depression, excessive alcohol consumption… A new study, carried out in Denmark, has just identified an additional and invisible risk factor: atmospheric pollution. Danish researchers (who followed a group of nurses who were at least 44 years old in 1993 for 27 years) observed that excessive exposure to air pollutants could increase the risk of senile dementia with age.
Physical activity reduces risk
In detail, scientists blame 3 molecules: fine particles (PM10 and PM2.5), the nitrogen dioxide (NO2) and the black carbon (B.C.). These (…)
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