![Unmasking the HDL ‘Good’ Cholesterol’s Sneaky Link to Dementia Risk Unmasking the HDL ‘Good’ Cholesterol’s Sneaky Link to Dementia Risk](https://usatribunemedia.com/wp-content/uploads/2023/10/LKRPHKPT.png)
Hey there, health enthusiasts! Buckle up for a cholesterol rollercoaster because it turns out that the “good” HDL cholesterol might not always play nice with our brains, according to some new research that might just make your head spin.
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Cholesterol and Dementia: The Surprising Connection
So, who’s the detective behind this cholesterol caper? Well, it’s none other than Maria Glymour from Boston University, and she’s got the scoop. She and her team decided to investigate the connection between HDL cholesterol and dementia, and boy, did they gather a crowd of guinea pigs!
We’re talking about over 184,000 brave souls, average age 70, from the Kaiser Permanente Northern California Health Plan. These folks weren’t dealing with dementia at the start of this wild experiment. First, they spilled the beans about their health habits and let the docs measure their cholesterol levels during their routine checkups (an average of 2.5 times in two years).
Large-Scale Study Reveals HDL’s Dual Role
Then, the researchers kept a watchful eye on their electronic health records for nearly a decade. Lo and behold, more than 25,000 of them started to show signs of dementia. Drumroll, please!
Now, here’s where it gets interesting. The magic number for the average HDL cholesterol level in this crew was 53.7 milligrams per deciliter (mg/dL). You see, the healthy range is anything above 40 mg/dL for the gents and above 50 mg/dL for the ladies.
Low and High HDL Cholesterol: Both Raise Eyebrows
What happened next? The scientists played matchmaker and divided everyone into five groups based on their HDL cholesterol levels. Surprise, surprise! The folks with the highest levels of HDL cholesterol (65 mg/dL or higher) had a 15% higher chance of getting hit by the dementia bus compared to those in the middle group.
But here’s the kicker: Those with the lowest levels (ranging from 11 to 41 mg/dL) also had a higher chance of joining the dementia party. It wasn’t as high as the cholesterol high-rollers, mind you, but it was still 7% higher than the middle group.
Doctor’s Take: The Cholesterol Mystery Deepens
Now, just to keep things spicy, the researchers also peeped at the “bad” LDL cholesterol, but it was like catching a glimpse of a ghost at a Halloween party. There was a slight connection with dementia, but nothing that made them jump out of their lab coats.
These findings made their big debut online on October 4th in Neurology, the medical journal of the American Academy of Neurology. And in case you were wondering, the AAN folks want to remind us that while this study raises some eyebrows, it doesn’t necessarily mean that high or low HDL cholesterol is the root cause of dementia. It’s more like a detective story with lots of clues but no smoking gun.
Unveiling the HDL Cholesterol Dementia Mystery
Dr. Howard Weintraub, the clinical director of the Center for the Prevention of Cardiovascular Disease at NYU Langone Heart in New York, had this to say: “When people have HDL that’s 90 or 100 mg/dL, that is associated with dementia. But not these lower numbers, 63 mg/dL or so.” So, even the experts are scratching their heads over this cholesterol riddle.
In a nutshell, folks, it seems like HDL cholesterol might be a bit of a wild card when it comes to dementia, just like it is with heart disease and cancer. Who would’ve thought that cholesterol could be such a mystery?