{"id":1169,"date":"2016-02-23T08:35:01","date_gmt":"2016-02-23T07:35:01","guid":{"rendered":"http:\/\/www.bordeaux-population-health.center\/new-study-reveals-incidence-of-dementia-may-be-declining\/"},"modified":"2016-02-23T08:35:01","modified_gmt":"2016-02-23T07:35:01","slug":"new-study-reveals-incidence-of-dementia-may-be-declining","status":"publish","type":"post","link":"https:\/\/www.bordeaux-population-health.center\/fr\/new-study-reveals-incidence-of-dementia-may-be-declining\/","title":{"rendered":"New Study Reveals Incidence of Dementia May be Declining"},"content":{"rendered":"

Despite the concern of an explosion of dementia cases in an aging population over the next few decades, a new study, based on data from the Framingham Heart Study* (FHS), and carried out in collaboration between Inserm researchers at the Bordeaux School of Public Health \/ Inserm in France and Boston University School of Medicine suggests that the rate of new cases of dementia actually may be decreasing.<\/strong><\/p>\n

These findings, which appear in the New England Journal of Medicine<\/em>, provide hope that some cases of dementia might be preventable or delayed and encourages funding agencies and the scientific community to further explore demographic, lifestyle and environmental factors underlying this positive trend.<\/p>\n

Researchers looked at the rate of dementia at any given age and attempted to explain the reason for the decreasing risk of dementia over a period of almost 40 years by considering risk factors such as education, smoking, blood pressure and medical conditions including diabetes, high blood pressure or high cholesterol among many others.
Looking at four distinct periods in the late 1970s, late 1980s, 1990s and 2000s, the researchers found that there was a progressive decline in incidence of dementia at a given age, with an average reduction of 20 percent per decade since the 1970s, when data was first collected. The decline was more pronounced with a subtype of dementia caused by vascular diseases, such as stroke. There also was a decreasing impact of heart diseases, which suggests the importance of effective stroke treatment and prevention of heart disease. Interestingly, the decline in dementia incidence was observed only in persons with high school education and above.<\/p>\n

\u201cCurrently, there are no effective treatments to prevent or cure dementia; however, our study offers hope that some of the dementia cases might be preventable — or at least delayed — through primary (keep the disease process from starting) or secondary (keep it from progressing to clinically obvious dementia) prevention<\/em>,\u201d explained corresponding author Sudha Seshadri, MD, professor of neurology at Boston University School of Medicine and FHS senior investigator. \u201cEffective prevention could diminish in some measure the projected explosion in the number of persons affected with the disease in the next few decades,\u201d she added.
\u00ab\u00a0It is very likely that primary and secondary prevention and better management of cardiovascular diseases and stroke, and their risk factors, might offer new opportunities to slow down the currently projected burden of dementia for the coming years<\/em> \u00a0\u00bb add Carole Dufouil, Inserm research director in Bordeaux (France). Yet, the authors warn that this does not mean that the total number of persons with dementia will decrease anytime soon. Since baby boomers are aging and people are living longer, the burden of dementia will continue to grow.<\/p>\n

*FHS participants have been continuously monitored for the occurrence of cognitive decline and dementia since 1975. Thanks to a rigorous collection of information, FHS researchers have been able to diagnose Alzheimer\u2019s disease and other dementias using a consistent set of criteria over the last three decades. These sources of information include FHS exams, outside clinical records, interviews with family members, and the examination of participants suspected of having a neurological problem by neurologists and neuropsychologists.\n\n<\/pre>\n
N.B. Worldwide, the World Health Organization (WHO) estimates that 47.5 million people have dementia in the world and the total number of people with dementia is projected to reach 75.6 million in 2030 and almost triple by 2050 to 135.5 million.<\/em><\/h6>\n
\u00a0<\/em><\/h6>\n","protected":false},"excerpt":{"rendered":"
Despite the concern of an explosion of dementia cases in an aging population over the next few decades, a new study, based on data from the Framingham Heart Study* (FHS), and carried out in collaboration between Inserm researchers at the Bordeaux School of Public Health \/ Inserm in France and Boston University School of Medicine […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"class_list":["post-1169","post","type-post","status-publish","format-standard","hentry","category-actualites-du-centre"],"acf":[],"yoast_head":"\nNew Study Reveals Incidence of Dementia May be Declining | Bordeaux population health<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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