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.
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Americans are popping more supplements – and fewer multivitamins – than ever before, a new study found.
Research published in JAMA Network Open, led by researchers at Memorial Sloan Kettering Cancer Center in New York and the Harvard T.H. Chan School of Public Health in Boston, looked at 25 years of U.S. dietary supplement use data from 1999 to 2023.
This included more than 63,000 adults over the age of 20 who reported their supplement usage.
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When tracking patterns over time, the analysis revealed that overall supplement use increased from 51% of U.S. adults to 60%. The largest rise – from 62% to 78% – was identified in adults 65 and older.
Supplement use was found to be more common in women, people with a higher income or education, and those with insurance.
Supplement use was found to be more common in women, people with a higher income or education, and those with insurance. (iStock)
During the same period, multivitamin use decreased from 35% to 31%, while intake of vitamins and minerals outside of multivitamins increased.
Some of the largest increases in intake were seen in vitamin D, zinc, magnesium, vitamin B12 and turmeric. Other emerging supplements include ashwagandha, elderberry, collagen, hyaluronic acid, probiotics and prebiotics, according to the research.
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The later post-pandemic period saw an influx of immune support-based products, like zinc and vitamin D (outside of multivitamins).
The rise in supplement use aligns with the longevity movement, as more people seek products tailored to specific health goals, such as immune support, inflammation, gut health, skin health and joint health.
The study only shows that people are taking more supplements, but does not prove that they’re effective for these uses, the researchers noted.
Those on a GLP-1 medication should factor in a multivitamin to counteract the risk of nutrient gaps or deficiencies, an expert recommended. (iStock)
In an interview with Fox News Digital, Los Angeles-based registered dietitian nutritionist Ilana Muhlstein gave her take on the emerging supplement movement.
“I love that people are getting more educated and more intentional – I just wish they were being advised by more doctors and dietitians and less by ‘wellness influencers’ who are likely not doing the due diligence on the quality and efficacy of the supplements they’re promoting,” she said.
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Muhlstein expressed concern that all-in-one-multivitamin use has “slipped,” despite the rise in GLP-1 weight-loss medications.
“A multivitamin is where I think people should start as the foundation to help bridge nutrient gaps, especially for people on a GLP-1 who are eating about 15% to 30% less, and therefore likely consuming 15% to 30% less vitamins and minerals,” she said. “I recommend that everyone on a GLP-1 medication [should] take a multivitamin daily.”
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A daily probiotic, magnesium and vitamin D3 are also “smart for many of us,” the nutritionist added. She also recommends elderberry as an effective supplement for boosting the immune system when fighting a cold.
A nutrition expert cautioned against taking supplements that have not gone through third-party testing for safety and quality. (iStock)
Collagen has also been shown to benefit the skin and joints, which Muhlstein said is “worth considering as we get older.”
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“My real concern is the unregulated market,” she cautioned. “I can’t tell you how many calls I’ve received over the years of people pitching me new supplements … because the margins are high and the market is huge.”
“That’s why I’m extremely picky about what I take and what I recommend to my family and clients.”
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Muhlstein warned against taking a supplement that hasn’t gone through third-party testing for safety and quality.
“The best ones go further and test for pesticides, arsenic and heavy metals, especially for protein powders,” she said. “If a product has many ingredients, I like to see that they do testing on each individual ingredient.”
Bipartisan push to invest in US national parks
Bret Baier moderates a discussion with Representatives Bruce Westerman (R-AR) and Jared Huffman (D-CA) about the ‘America the Beautiful’ initiative. This bipartisan effort seeks to modernize national parks ahead of America’s 250th anniversary, investing $1.9 billion annually. They emphasize national parks as common ground, beloved by all Americans, and crucial for our shared heritage.
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As the United States celebrates its 250th anniversary, many Americans are taking extra notice of all the things the country has to offer.
One such case is our access to vast wilderness. Today, the nation’s national parks are bustling tourist attractions, but they may also serve as vital resources for public health, experts say.
The most immediate health boost comes from physical movement.
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Guidelines from the Centers for Disease Control and Prevention show that regular physical activity is crucial for reducing obesity, improving sleep quality and lowering the risk of chronic illnesses.
The nation’s public lands include parks, trails and open spaces that encourage outdoor recreation and physical activity.
Beyond physical fitness, national parks contribute to documented mental health benefits. (iStock)
A review by the Community Preventive Services Task Force (CPSTF) found that implementing park, trail and greenway infrastructure directly increases physical activity across communities.
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When people walk, hike or bike through national parks, they are actively lowering their blood pressure, boosting immune function and reducing overall mortality, data shows.
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Beyond physical fitness, national parks may contribute to documented mental health benefits.
Previous research has demonstrated that direct exposure to nature significantly reduces physiological stress, lowers heart rates and decreases levels of stress hormones, like cortisol.
Engaging in educational activities and lifelong learning preserves brain function, improves memory and helps stave off age-related cognitive decline, research shows. (iStock)
This research also shows that natural environments boost attention span, combat mental fatigue and improve cognitive performance.
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Parks also act as natural venues for mindfulness and social connection.
Research shows that practicing mindfulness in quiet outdoor spaces lowers stress and mitigates feelings of loneliness and social isolation.
Research highlights that practicing mindfulness in quiet outdoor spaces lowers stress and mitigates feelings of loneliness and social isolation. (iStock)
Additionally, because parks protect cultural and historical resources, they can inspire lifelong learning.
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According to the data, engaging in educational activities and lifelong learning preserves brain function, improves memory and helps stave off age-related cognitive decline.
The National Park Service was established in 1916 to conserve the nation’s natural and historic resources for future generations, according to the organization.
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Today, that mission has expanded, as parks are recognized not only for their scenic and cultural value, but also the opportunities they provide for recreation and physical activity.
Screwworm outbreak threat to US livestock, prompts USDA action
Agriculture Secretary Brooke Rollins discusses USDA’s response to the New World Screwworm outbreak in Texas and New Mexico, assuring safe food supply on ‘The Bottom Line.’ VI LONG DEK: Agriculture Secretary Brooke Rollins addresses the alarming resurgence of New World Screwworm in Texas and New Mexico, emphasizing USDA’s aggressive containment efforts. She confirms the food supply remains safe while highlighting the administration’s focus on domestic fertilizer production, investing billions in new plants and infrastructure projects. Rollins celebrates 250 years of American agriculture and its vital role in national security.
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Doctors thought a 60-year-old man had metastatic brain cancer after scans revealed multiple tumors – but further testing revealed a shocking diagnosis.
The Spanish man, who was not named, was found to have a parasitic tapeworm larvae lodged in his brain — a case of neurocysticercosis, a parasitic infection of the central nervous system caused by the pork tapeworm (Taenia solium).
The patient, a lifelong resident of Castellón, Spain, had not traveled to any regions where the disease is endemic, according to the case report published in the CDC journal Emerging Infectious Diseases.
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The man had initially come to the hospital after suffering two weeks of progressive headaches and mild behavioral changes.
Radiologic findings from a study of autochthonous neurocysticercosis brain lesions mimicking metastatic disease. (Emerging Infectious Diseases)
CT scans showed multiple abnormal spots that looked like tumors that had spread from cancer elsewhere in the body, leading doctors to suspect advanced brain cancer.
However, whole-body scans, a colonoscopy and specialized imaging failed to identify cancer anywhere in the patient’s body, the case report stated.
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When doctors performed a more detailed MRI, they discovered several fluid-filled cysts in the brain, some of which contained the head of a tapeworm. A blood test confirmed the diagnosis of neurocysticercosis.
The man was treated with a combination of albendazole and praziquantel (two antiparasitic medications), as well as corticosteroids to reduce inflammation. He successfully recovered with no complications, according to the case report.
CT scans (not pictured) showed multiple abnormal spots that looked like tumors that had spread from cancer elsewhere in the body, leading doctors to suspect advanced brain cancer. (iStock)
The authors suggested that the patient may have gotten the infection after accidentally ingesting microscopic tapeworm eggs years earlier.
The exposure may have occurred while working a construction job with migrant coworkers from regions where neurocysticercosis is endemic.
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People can catch the pork tapeworm in two different ways. Eating undercooked infected pork usually leads to an intestinal tapeworm, but accidentally swallowing the parasite’s eggs — typically through food or water contaminated with feces — can send the larvae into the bloodstream, where they may form cysts in the brain and other organs. This can cause the disease the patient in the case report acquired.
A photomicrograph shows histopathologic features in a brain tissue specimen from a case of neurocysticercosis caused by the pork tapeworm Taenia solium. The image documents pathological changes associated with this parasitic infection. (Smith Collection/Gado/Getty Images)
As this was just a single case, the source of transmission could not be proven, the researchers acknowledged, and the findings cannot be generalized to a wider population. The report shows that there is a possibility of local transmission in non-endemic settings, but cannot establish how often this occurs.
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In the United States, less than 2% of neurocysticercosis cases are considered domestically acquired, according to the case report.
A prior systematic review identified only 18 confirmed locally acquired cases in Western Europe between 1990 and 2011.
The authors suggested that the patient may have gotten the infection after accidentally ingesting microscopic tapeworm eggs years earlier. (Associated Press)
In some cases, NCC can cause serious symptoms, including seizures, stroke, neurological deficits and cognitive decline.
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“Our case emphasizes that the absence of travel history should not preclude NCC from the differential diagnosis of multiple ring-enhancing brain lesions, even in regions where metastatic cancer is statistically much more likely,” the researchers concluded in the case study.
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Detecting the worms earlier could have prevented “unnecessary invasive oncologic procedures and led to prompt, targeted antiparasitic therapy,” they added.
Fox News Digital reached out to the researchers for comment.
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