Health
Why cancer is hitting the Midwest harder than anywhere else in America
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While the rest of the country’s cancer rates are falling, those in Iowa, Nebraska, Illinois, Minnesota, Indiana and Kansas — known as the Corn Belt — are rising at an alarming rate, data shows.
The spike in America’s corn-producing states caught the attention of the University of Iowa’s Holden Comprehensive Cancer Center, which gathered a panel to investigate the trend.
One of the experts, Dr. Marian Neuhouser, a professor at the Fred Hutchinson Cancer Center in Seattle, served on the panel as an expert in nutrition and obesity.
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“The panel came about after they noticed that the trends for cancer incidence were increasing at a faster rate in Iowa than in other states,” Neuhouser told Fox News Digital.
A data analysis by The Washington Post based on federal health datasets found that the number of people diagnosed with cancer in the six Corn Belt states has outpaced the national average since the mid-2010s.
While the rest of the country’s cancer rates are falling, those in the Corn Belt states — Iowa, Nebraska, Illinois, Minnesota, Indiana and Kansas — are rising at an alarming rate. (iStock)
In 1999, cancer rates in the Midwest were on par with the national average. Now, among residents aged 15 to 49, those rates are about 5% higher, a pattern that began diverging in the 2000s and has steadily widened.
The Post based its findings on data from the National Cancer Institute and the Centers for Disease Control and Prevention, which track cancer incidence nationwide.
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The analysis compared rates from 1999 through 2022 using multi-year averages for Iowa and excluding 2020 due to pandemic disruptions.
Experts probe causes
Neuhouser noted that some of the increases involve cancers that are preventable or detectable through screening.
Researchers are examining both environmental and lifestyle factors that could be driving the increase.
A panel of experts convened in Iowa after more numbers came out about the alarming spike in cancer rates. (iStock)
Outdoor UV exposure and high rates of binge drinking could be contributors, according to the Iowa Cancer Registry, part of the National Institutes of Health’s surveillance network.
Iowa’s Environmental Health Sciences Research Center has described the state as a “hot spot for environmental exposures to carcinogenic agents.”
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The soil and groundwater in the region reportedly contain some of the nation’s highest levels of natural radon and nitrate, largely because of fertilizer use in farming. Both substances have been linked to high risks of lung and gastrointestinal cancers.
Meanwhile, the widespread application of pesticides and herbicides, including glyphosate, continues to generate debate among scientists and regulators.
Where fields once symbolized abundance, they now raise questions about how the chemicals used to maintain them could affect people’s health. (iStock)
Risk of chemical exposure
Dr. Anne McTiernan, professor of epidemiology at the Fred Hutchinson Cancer Center in Seattle, has analyzed decades of research on glyphosate and cancer risk.
“Glyphosate, a broad-spectrum herbicide, has been used in the U.S. for decades and is reported to be the most widely used pesticide globally,” she told Fox News Digital.
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The World Health Organization’s International Agency for Research on Cancer classified glyphosate as “a 2A carcinogen (“probably carcinogenic to humans”), which is the second-highest grade of carcinogen, according to McTiernan.
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Her review of studies through 2025 found that people with long-term, high exposure to glyphosate, such as those working on farms, had a roughly 40% higher risk of developing non-Hodgkin lymphoma compared to those who were never exposed.
Researchers warn that the causes of cancer spikes in the Corn Belt may lie in decades of invisible exposure. (iStock)
This level of increased risk, combined with lab evidence that glyphosate can damage DNA and cause cellular stress, is considered strong enough to support a causal link, according to the expert.
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Role of obesity and alcohol
Lifestyle factors are also compounding risk. Per CDC data, about 21% of Iowa adults report heavy drinking or binge drinking, compared to roughly 17% nationally.
The Iowa Department of Health and Human Services reports that about 35% of adults in the state are classified as obese, placing it among 19 states with obesity prevalence at or above that level. Nationwide, the CDC reports an adult obesity rate of roughly 40%.
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Neuhouser noted that 13 separate cancers are linked to obesity.
“Everyone would like to be able to narrow down cancer risk … to one exposure, but cancer is so complex that it’s usually several factors working together,” she said.
Health
Heart disease threat projected to climb sharply for key demographic
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A new report by the American Heart Association (AHA) included some troubling predictions for the future of women’s health.
The forecast, published in the journal Circulation on Wednesday, projected increases in various comorbidities in American females by 2050.
More than 59% of women were predicted to have high blood pressure, up from less than 49% currently.
The review also projected that more than 25% of women will have diabetes, compared to about 15% today, and more than 61% will have obesity, compared to 44% currently.
As a result of these risk factors, the prevalence of cardiovascular disease and stroke is expected to rise to 14.4% from 10.7%.
The prevalence of cardiovascular disease and stroke in women is expected to rise to 14.4% from 10.7% by 2050. (iStock)
Not all trends were negative, as unhealthy cholesterol prevalence is expected to drop to about 22% from more than 42% today, the report stated.
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Dr. Elizabeth Klodas, a cardiologist and founder of Step One Foods in Minnesota, commented on these “jarring findings.”
“The fact that on our current trajectory, cardiometabolic disease is projected to explode in women within one generation should be a huge wake-up call,” she told Fox News Digital.
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“Hypertension, diabetes, obesity — these are all major risk factors for heart disease, and we are already seeing what those risks are driving. Heart disease is the No. 1 killer of women, eclipsing all other causes of death, including breast cancer.”
Cardiovascular disease is the leading cause of death for women in the U.S. and around the world. (iStock)
Klodas warned that heart disease starts early, progresses “stealthily,” and can present “out of the blue in devastating ways.”
The AHA published another study on Thursday revealing one million hospitalizations, showing that heart attack deaths are climbing among adults below the age of 55.
The more alarming finding, according to Klodas, is that young women were found more likely to die after their first heart attack than men of the same age.
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“This is all especially tragic since heart disease is almost entirely preventable,” she said. “The earlier you start, the better.”
Children can show early evidence of plaque deposition in their arteries, which can be reversed through lifestyle changes if “undertaken early enough and aggressively enough,” according to the expert.
Moving more is one part of protecting a healthy heart, according to experts. (iStock)
Klodas suggested that rising heart conditions are associated with traditional risk factors, like smoking, high blood pressure, high cholesterol, diabetes, obesity and a sedentary lifestyle.
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Doctors are also seeing higher rates of preeclampsia, or high blood pressure during pregnancy, as well as gestational diabetes. Klodas noted that these are sex-specific risk factors that don’t typically contribute to complications until after menopause.
The best way to protect a healthy heart is to “do the basics,” Klodas recommended, including the following lifestyle habits.
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Klodas especially emphasized making improvements to diet, as the food people eat affects “every single risk factor that the AHA’s report highlights.”
“High blood pressure, high blood sugar, high cholesterol, excess weight – these are all conditions that are driven in part or in whole by food,” she said. “We eat multiple times every single day, which means what we eat has profound cumulative effects over time.”
“Even a small improvement in dietary intake, when maintained, can have a massive positive impact on health,” a doctor said. (iStock)
“Even a small improvement in dietary intake, when maintained, can have a massive positive impact on health.”
The doctor also recommends changing out a few snacks per day for healthier choices, which has been proven to “yield medication-level cholesterol reductions” in a month.
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“Keep up that small change and, over the course of a year, you could also lose 20 pounds and reduce your sodium intake enough to avoid blood pressure-lowering medications,” Klodas added.
“Women should not view the AHA report as inevitable. We have power over our health destinies. We just need to use it.”
Health
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Health
Common vision issue linked to type of lighting used in Americans’ homes
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Nearsightedness (myopia) is skyrocketing globally, with nearly half of the world’s population expected to be myopic by 2050, according to the World Health Organization.
Heavy use of smartphones and other devices is associated with an 80% higher risk of myopia when combined with excessive computer use, but a new study suggests that dim indoor lighting could also be a factor.
For years, scientists have been puzzled by the different ways myopia is triggered. In lab settings, it can be induced by blurring vision or using different lenses. Conversely, it can be slowed by something as simple as spending time outdoors, research suggests.
Nearsightedness occurs when the eyeball grows too long from front to back, according to the American Optometric Association (AOA). This physical elongation causes light to focus in front of the retina rather than directly on it, making distant objects appear blurry.
The study suggests that myopia isn’t caused by the digital devices themselves, but by the low-light environments where they are typically used. (iStock)
Researchers at the State University of New York (SUNY) College of Optometry identified a potential specific trigger for this growth. When someone looks at a phone or a book up close, the pupil naturally constricts.
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“In bright outdoor light, the pupil constricts to protect the eye while still allowing ample light to reach the retina,” Urusha Maharjan, a SUNY Optometry doctoral student who conducted the study, said in a press release.
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“When people focus on close objects indoors, such as phones, tablets or books, the pupil can also constrict — not because of brightness, but to sharpen the image,” she went on. “In dim lighting, this combination may significantly reduce retinal illumination.”
High-intensity natural light prevents myopia because it provides enough retinal stimulation to override the “stop growing” signal, even when pupils are constricted. (iStock)
The hypothesis suggests that when the retina is deprived of light during extended close-up work, it sends a signal for the eye to grow.
In a dim environment, the narrowed pupil allows so little light through that the retinal activity isn’t strong enough to signal the eye to stop growing, the researchers found.
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In contrast, being outdoors provides light levels much brighter than indoors. This ensures that even when the pupil narrows to focus on a nearby object, the retina still receives a strong signal, maintaining healthy eye development.
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The team noted some limitations of the study, including the small subject group and the inability to directly measure internal lens changes, as the bright backgrounds used to mimic the outdoors made pupils too small for standard equipment.
Researchers believe that increasing indoor brightness during close-up work could be a simple, testable way to slow the global nearsightedness epidemic. (iStock)
“This is not a final answer,” Jose-Manuel Alonso, MD, PhD, SUNY distinguished professor and senior author of the study, said in the release.
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“But the study offers a testable hypothesis that reframes how visual habits, lighting and eye focusing interact.”
The study was published in the journal Cell Reports.
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