--- title: Another Diabetes Problem: Alzheimer's Disease description: Epidemiologists have long noted that there appears to be some sort of correlation between type 2 diabetes — the type that's associated with obesity, and... canonical: https://time.com/archive/6931898/another-diabetes-problem-alzheimers-disease/ author: Michael Lemonick article:opinion: false article:content_tier: free article:published_time: 2006-07-17T04:00:00.000Z article:modified_time: 2026-03-23T03:39:07.485Z article:section: Health og:title: Another Diabetes Problem: Alzheimer's Disease og:description: Epidemiologists have long noted that there appears to be some sort of correlation between type 2 diabetes — the type that's associated with obesity, and... og:url: https://time.com/archive/6931898/another-diabetes-problem-alzheimers-disease/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production og:image:width: 1200 og:image:height: 675 og:image:alt: TIME og:type: article twitter:card: summary_large_image twitter:title: Another Diabetes Problem: Alzheimer's Disease twitter:description: Epidemiologists have long noted that there appears to be some sort of correlation between type 2 diabetes — the type that's associated with obesity, and... twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- * [Health](/section/health/) # Another Diabetes Problem: Alzheimer's Disease > Sponsored content. 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Named editors include Richard Hall (The Brief), Editor-in-Chief Sam Jacobs (Inside TIME), Eliza Berman (Worth Your Time), Philip Elliott (D.C. Brief), Justin Worland (Future Proof) and Harry Booth (In the Loop). Health Matters is written by TIME's health desk. #### How do I sign up for a TIME newsletter? Go to time.com/newsletters, choose the newsletters you want and enter your email address. There is no cost and no subscription requirement. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-network-2026q3/newsletters?i=dfc019cd-bec6-4f18-9857-e26fbdfd2cd7&cr=time-nl-network-2026q3-v1) by [Michael Lemonick](https://time.com/author/michael-d-lemonick/) Jul 17, 2006 4:00 AM UTC by [Michael Lemonick](https://time.com/author/michael-d-lemonick/) Jul 17, 2006 4:00 AM UTC Epidemiologists have long noted that there appears to be some sort of correlation between type 2 diabetes — the type that’s associated with obesity, and which often appears later in life — and Alzheimer’s disease. Now a number of brand-new studies, presented at a major Alzheimer’s conference in Madrid, has strengthened that link. In one, Swedish researchers looked at 1,173 people over 75 and concluded that people with borderline type 2 diabetes — that is, chronically elevated blood sugar — were about 70% likelier to develop Alzheimer’s than those with normal sugar levels. Another study, based in the U.S., looked at the medical records of 22,852 type 2 diabetics, none of whom had any sort of dementia at the outset, and found that the more elevated their blood sugar tended to be, the bigger the risk they’d develop Alzheimer’s. Several other studies hinted, though did not prove, that a class of anti-diabetes drugs called glitazones may lower Alzheimer’s risk. It’s still not clear why diabetes and Alzheimer’s should be related. One possibility is that the excess insulin the body churns out to try and control blood sugar inflames the blood vessels — which would also explain how diabetes leads to heart disease. But while it isn’t yet exactly certain what’s going on, the result is a kind of good news/bad news story. The bad news is that type 2 diabetes has been on a dramatic increase as Americans have gotten more obese over the past couple of decades — which means the Alzheimer’s epidemic that’s already expected simply as a result of the aging of the massive Baby Boom generation could be even bigger than anyone thought. The good news is that by inching closer to an understanding of precisely what it is that causes Alzheimer’s — or even getting closer to one possible cause — doctors may be able to stave off the disease by the time Baby Boomers begin moving into their 70s and 80s. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/archive/6931898/another-diabetes-problem-alzheimers-disease/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/archive/6931898/another-diabetes-problem-alzheimers-disease/"},"headline":"Another Diabetes Problem: Alzheimer's Disease","datePublished":"2006-07-17T04:00:00.000Z","dateModified":"2026-03-23T03:39:07.485Z","description":"Epidemiologists have long noted that there appears to be some sort of correlation between type 2 diabetes — the type that's associated with obesity, and...","url":"https://time.com/archive/6931898/another-diabetes-problem-alzheimers-disease/","keywords":[],"thumbnailUrl":"","author":[{"@type":"Person","name":"Michael Lemonick","url":"https://time.com/author/michael-d-lemonick/"}],"articleSection":"Health","image":[],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/archive/6931898/another-diabetes-problem-alzheimers-disease/","name":"Another Diabetes Problem: Alzheimer's Disease"}}]}] ```