Health
Alzheimer’s and other dementia diagnoses can vary by zip code, new study finds
Your home address could determine the likelihood of getting a dementia diagnosis, a new study suggests.
Researchers from University of Michigan Medical School analyzed Medicare claims for nearly five million older adults in regional health care markets across the country — focusing on the areas that had higher rates of diagnoses of Alzheimer’s disease and other dementias.
They found that in areas with a higher rate of diagnosis — known as “diagnosis intensity” — residents were twice as likely to find out they had the condition, especially among those ages 66 to 74, along with Black and Hispanic subgroups.
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“The number of people who obtain a formal diagnosis is different across regions,” lead study author Dr. Julie Bynum, a researcher and professor in the Department of Internal Medicine at University of Michigan Medical School, told Fox News Digital.
“Those differences are related to how many people actually have dementia, which is driven by risk factors like age, race and cardiovascular risks — but we cannot explain all the differences in the percentage of people who get diagnosed on these population characteristics.”
Where you live could determine the likelihood of getting a dementia diagnosis, a study by researchers from University of Michigan Medical School found. (iStock)
Certain health system factors may come into play, Bynum said – such as the accessibility of health care and the availability of clinicians who have experience in diagnosing and caring for people with dementia.
Some of the health care markets with the highest dementia diagnosis rates include Texas (McAllen, Wichita Falls, Harlingen); Miami, Florida; Lake Charles, Louisiana; Alabama (Tuscaloosa and Montgomery); Michigan (Detroit, Dearborn, Royal Oak); Oxford, Mississippi; and New York (Bronx, Manhattan).
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Bynum wasn’t entirely surprised by the findings, she said.
She expected to find differences in the rate of formal diagnosis, she said, based on how practices and individual doctors typically respond to patients with cognitive concerns.
The accessibility of health care and the availability of clinicians who have experience with diagnosing and caring for people with dementia could impact the diagnosis rates, the new study found. (iStock)
“What was less expected is that the location of high and low diagnosis intensity areas does not follow a pattern of where there is a higher burden of disease in the population,” she said.
“I had expected that in places where dementia was a bigger problem, we might see a greater effort to get those people into care.”
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Lycia Neumann, PhD, senior director of health services research at the Alzheimer’s Association, was not involved in the study but commented on how it highlights regional disparities in the diagnosis of Alzheimer’s and other dementias.
“This suggests that unless there is intentional effort from health systems, payers and governments to promote equitable access to diagnosis, these disparity gaps will continue growing,” she told Fox News Digital.
Overcoming barriers to diagnosis
Based on the findings, people who are concerned about cognitive decline among their family members may need to “put in some extra effort” in communicating their concerns with their primary doctors, Bynum said.
“One of the problems is that the concern can get lost among all the other things older adults and their doctors address, and sorting out cognitive complaints is challenging for doctors,” she told Fox News Digital.
People who are concerned about cognitive decline in regard to their family members may need to “put in some extra effort” in communicating their concerns with their primary doctors, a researcher said. (iStock)
“In addition, we should all be encouraging our local health systems to develop the capacity to address the needs of this burgeoning population through clinical and supportive programming.”
Neumann said younger individuals and those from “historically underrepresented ethnic and racialized groups” have a greater risk of being underdiagnosed.
“We know that barriers to an early and precise dementia diagnosis exist at all levels,” she said.
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“They go from stigma and lack of awareness of signs and symptoms to barriers to health care access related to health insurance coverage, distance to clinical settings, and lack of transportation and companionship.”
It is Neumann’s hope, she said, that studies like this one spark efforts to raise awareness of early warning signs and encourage individuals to discuss any concerns with their health care providers.
“Barriers to an early and precise dementia diagnosis exist at all levels.”
Educational programs and interventions can also facilitate access to timely dementia diagnoses, she added.
“After all, an accurate diagnosis is the first step to appropriate treatment and care.”
Potential limitations
One of the study’s limitations is that the researchers were not able to determine whether the rate of diagnosis is “too high or too low” based only on their data, Bynum noted.
“We can only say that it is higher or lower than the national average rate,” she said.
“We would need to know the actual number of people living with dementia in each community, which would be incredibly costly to measure.”
This approach, however, can help researchers understand whether getting a formal diagnosis is more or less difficult across geographical areas, according to Bynum.
“We should all be encouraging our local health systems to develop the capacity to address the needs of this burgeoning population through clinical and supportive programming,” a dementia expert said. (iStock)
“There are always limitations regarding studies based on claims data,” Neumann noted.
“Claims data are only about individuals who received care, in this case a diagnosis — so it excludes people who might be living with the disease but haven’t been able to access the health care system or haven’t received an accurate diagnosis.”
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Additionally, the information collected in medical claims is for payment and reimbursement purposes, not for research — so it doesn’t allow for the understanding of the factors that might be driving the disparities, she added.
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The study population is also only composed of older adults enrolled in Medicare fee-for-service, or traditional Medicare, Neumann noted.
Health
Brain Health Challenge: Doctor Appointments for Your Mind and Body
Congratulations, you’ve reached the final day of the Brain Health Challenge! Today, we’re asking you to do a few things that might feel a bit out of left field — like getting your blood pressure checked.
No, it isn’t as fun as playing Pips, but experts say it’s one of the most important things you can do for your brain. That’s because heart health and brain health are intrinsically linked.
High blood pressure, in particular, can damage brain cells, and it’s a significant risk factor for stroke and dementia. When blood pressure is too high, it places stress on the walls of arteries in the brain. Over time, that added stress can cause the blood vessel walls to thicken, obstructing blood flow. In other cases, the increased pressure causes the artery walls to thin and leak blood into the brain.
These changes to the blood vessels can sometimes cause a large stroke to occur. More commonly, the damage leads to micro-strokes and micro-hemorrhages, which cause fewer immediate problems and often go unnoticed. But if someone has hypertension for years or decades, these injuries can build up, and the person may start to experience cognitive impairment.
High blood pressure “is known as a silent killer for lots of reasons,” said Dr. Shyam Prabhakaran, the chair of neurology at the University of Chicago. “It doesn’t cause you any symptoms until it does.”
Because the damage accumulates over many years, experts say that managing blood pressure in midlife matters most for brain health. Hypertension can be addressed with medication or lifestyle changes, as directed by your doctor. But the first thing you need to do is know your numbers. If your blood pressure comes back higher than 120/80, it’s important to take it seriously, Dr. Prabhakaran said.
While you’re at it, there are a few other aspects of your physical health that you should check on.
Your eyes and ears are two of them. Hearing and vision loss have both been shown to increase the risk of dementia. Experts think that with less sensory information coming in to stimulate the brain, the regions that process hearing and vision can start to atrophy. What’s more, people with sensory loss often withdraw or are left out of social interactions, further depriving them of cognitive stimulation.
Oral health can also affect your brain health. Research has found a connection between regular flossing and reduced odds of having a stroke. That may be because good oral health can help to reduce inflammation in the body. The bacteria that cause gum disease have also been tied to an increased risk of Alzheimer’s.
And have you gotten your shingles vaccine? There is mounting evidence that it’s a powerful weapon for protecting against dementia. One study found that it lowered people’s odds of developing the condition by as much as 20 percent.
To wrap up this challenge, we want you to schedule a few medical appointments that benefit your brain, as well as your body.
After five days of feeding, exercising and challenging your brain, you are well on your way to better cognitive health. Thanks for joining me this week, and keep up the good habits!
Health
Health experts react as Andrew Huberman backs Trump admin’s new food pyramid
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The Trump administration has taken a new approach to the food pyramid.
The Department of Health and Human Services (HHS) announced new guidelines on Wednesday with an updated, inverted pyramid. The top of the pyramid, which is now the wider part of the structure, is built on meat, fats, fruits and vegetables, while whole grains are at the narrow bottom.
This follows HHS Secretary Robert F. Kennedy Jr.’s mission to “Make America Healthy Again” (MAHA), aimed at addressing chronic disease, childhood illnesses and ultraprocessed foods.
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“The new guidelines recognize that whole, nutrient-dense food is the most effective path to better health and lower health care costs,” Kennedy said during a press briefing in Washington, D.C.
“Protein and healthy fats are essential, and were wrongly discouraged in prior dietary guidelines. We are ending the war on saturated fats.”
The Trump administration announces the 2025-2030 Dietary Guidelines for Americans, putting “real food” back at the center of health. (realfood.gov)
The HHS secretary rallied against refined carbohydrates, food additives and added sugar, highlighting the health risks associated with sugar-sweetened beverages.
Kennedy’s main message to Americans was to “eat real food.”
TRUMP ADMIN’S NEW NUTRITION GUIDELINES TARGET ULTRA-PROCESSED FOODS, EASE UP ON RED MEAT AND SATURATED FATS
The announcement triggered reactions from top health and wellness voices, including Stanford neuroscientist Dr. Andrew Huberman, host of the “Huberman Lab” podcast.
In a post on X, Huberman shared the White House’s graphic of the new pyramid, praising the decisions that were made.
“Oatmeal (and I think that’s rice and sourdough) made the cut!” he commented. “In all seriousness, assuming overall calories are kept in check and people exercise & get sun(day)light, this looks spot on.”
He added, “Maybe up the veggies a bit, add low-sugar fermented foods like sauerkraut & this is great.”
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Huberman said in a thread on the same post that Americans “don’t have to eat all the foods” shown in the diagram.
“You won’t see me drinking milk or eating shrimp,” he said. “Nothing against shrimp, I just don’t like the taste. Aversion to crustaceans.”
“Maybe up the veggies a bit, add low-sugar fermented foods like sauerkraut & this is great,” Huberman commented on X. (Chance Yeh/Getty Images for HubSpot; iStock)
The new guidelines received praise from other major health figures, including former FDA commissioner Dr. David Kessler.
“There should be broad agreement that eating more whole foods and reducing highly processed carbohydrates is a major advance in how we approach diet and health,” Kessler told The Associated Press.
“Protein and healthy fats are essential, and were wrongly discouraged in prior dietary guidelines.”
Dr. Bobby Mukkamala, president of the American Medical Association, shared in a statement that these guidelines “affirm that food is medicine and offer clear direction patients and physicians can use to improve health.”
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“The American Medical Association applauds the Administration’s new Dietary Guidelines for spotlighting the highly processed foods, sugar-sweetened beverages and excess sodium that fuel heart disease, diabetes, obesity and other chronic illnesses,” Mukkamala wrote.
The American Medical Association applauded the HHS for its updated nutrition guidelines. (iStock)
But not all feedback was positive.
Some people expressed concern about prioritizing red meat and dairy, while calling for the limitation of saturated fat.
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Neal Barnard, president of the Physicians Committee for Responsible Medicine, shared in a reaction to STAT that while the guidelines “do have one or two good points, emphasizing fruits and vegetables and limiting alcohol,” the guidelines are “for the most part a strong reflection of industry influence.”
Christopher Gardner, a nutrition expert at Stanford University, also spoke out against the new guidelines, as reported by NPR.
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“I’m very disappointed in the new pyramid that features red meat and saturated fat sources at the very top, as if that’s something to prioritize. It does go against decades and decades of evidence and research,” said Gardner, who was a member of the Dietary Guidelines Advisory Committee.
Fox News Digital’s Rachel Wolf, as well as Alexandria Hoff of Fox News, contributed reporting.
Health
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