Health
Half of cancer deaths could have been prevented through lifestyle changes, says American Cancer Society report
As many as 40% of cancer cases — and up to half of cancer-related deaths — could have been prevented.
That’s according to a new study from the American Cancer Society (ACS), which measured the impact of modifiable risk factors for 30 types of cancers among adults over age 30.
Some of those factors were cigarette smoking, alcohol consumption, physical inactivity, excess body weight, dietary choices, ultraviolet (UV) radiation and certain viral infections.
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The biggest contributing risk factor was cigarette smoking — which figured into 30% of cancer deaths and nearly 20% of cancer cases.
Excess body weight was the second most impactful, followed by UV radiation and physical activity.
As many as 40% of cancer cases — and up to half of cancer-related deaths — could have been prevented through lifestyle changes, a new report revealed. (iStock)
The study findings were published on July 11 in the journal CA: A Cancer Journal for Clinicians.
To reach these conclusions, the researchers analyzed “nationally representative data on cancer incidence and mortality and risk factor prevalence to estimate the proportion and number of cancer cases and deaths attributable to potentially modifiable risk factors overall,” according to an ACS press release.
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“A large number of cancer cases and deaths in the United States are attributable to potentially modifiable risk factors, indicating the potential to substantially reduce the cancer burden through prevention,” said lead author Dr. Farhad Islami, senior scientific director, cancer disparity research at the American Cancer Society in Atlanta, in an email to Fox News Digital.
A new study from the American Cancer Society measured the impact of modifiable risk factors for 30 types of cancers among adults over 30. (iStock)
Ernest Hawk, M.D., head of cancer prevention and population sciences at The University of Texas MD Anderson Cancer Center, was not involved in the ACS study but commented on the findings.
“It is great to see these messages re-confirmed and reinforced by the latest data and analyses, but I’m not seeing a lot that is new and novel,” Hawk told Fox News Digital via email.
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“Nevertheless, it is important and sobering to see the linkage between modifiable risk factors, cancer incidence and cancer mortality.”
What needs to change?
These findings highlight the need for a greater emphasis on prevention and early detection of cancer, according to Hawk.
“Treatment is always necessary and critically important for those who need it, but we should place a greater priority on personal and societal actions to reduce risks and prevent cancer as our first approach,” he told Fox News Digital.
“A large number of cancer cases and deaths in the United States are attributable to potentially modifiable risk factors.”
“If we do that by taking these issues more seriously, we concomitantly promote health and wellness far more broadly.”
Islami recommended a combination of individual behavioral choices and wider efforts from public, private and community organizations at local, state and national levels.
The new findings highlight the need for a greater emphasis on prevention and early detection of cancer, an expert noted. (iStock)
“This requires multicomponent interventions at multiple levels to increase equitable access to preventive health care and awareness about preventive measures, and widespread implementation of known preventive measures,” he told Fox News Digital.
5 ways to reduce cancer risk
Based on the report findings, here are some of the lifestyle behaviors people should adopt to help reduce their chances of developing cancer, according to experts.
1. Stop smoking
Tobacco exposure is the highest risk factor, responsible for about 55% of cancers in men and 40% of cancers in women.
“The great news is that we have very effective ways to help smokers break their addictions to nicotine,” Hawk told Fox News Digital.
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The doctor also called for society to “drastically reduce” the opportunity for youth to develop nicotine addictions through ready access to vapes, flavored vapes and nicotine pouches.
“Many such products are technically illegal to sell, yet all too readily available in the marketplace,” he warned.
2. Maintain a healthy body weight
Many people don’t realize there is a correlation between being overweight and getting cancer — “so it is always worth reminding folks of that association,” said Hawk.
“It’s also very exciting that we have a host of new treatments — GLP-1 agonists and associated new compounds that influence other related pathways — that can help patients to achieve and maintain weight reductions,” he continued.
Excess weight is one of the primary risk factors for cancer, experts agree. (iStock)
“We still don’t know for sure that the new drugs will reduce cancer risks, but emerging animal and human observational data is suggesting that may be the case, which would be most impactful.”
For best results, these therapies can be combined with the longstanding approaches of limiting dietary intake, eating healthy foods and maintaining active lifestyles, according to Hawk.
3. Make healthier food choices
Dr. Marc Siegel, clinical professor of medicine at NYU Langone Medical Center and a Fox News medical contributor, emphasized the importance of a healthy diet in mitigating cancer risk.
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“A diet rich in antioxidants, including berries, nuts, fruit, vegetables, olives and unsaturated fats (Mediterranean diet) has been shown to decrease the risk of many cancers,” he told Fox News Digital.
“A diet rich in antioxidants, including berries, nuts, fruit, vegetables, olives and unsaturated fats (Mediterranean diet) has been shown to decrease the risk of many cancers,” Dr. Siegel told Fox News Digital. (iStock)
“On top of that, ultra-processed foods have been shown to increase risks of many cancers, especially gastrointestinal and breast.”
4. Eliminate alcohol intake
“The association between alcohol use and cancer is compelling, but is vastly underappreciated by the public and many health care providers,” Hawk noted.
“Our hope is to see a greater awareness and stronger institutional commitment to actions that align with cancer organizations’ primary mission of reducing cancer cases, cancer deaths, and the cancer risks associated with alcohol.”
5. Get the recommended screenings
Cancer screenings offer additional opportunities for cancer prevention, as well as early detection and treatment — “which often permit treatments to be less toxic, easier to deliver and more effective,” Hawk said.
Getting regular health screenings is one of the recommended habits for cancer prevention. (iStock)
“New approaches to early cancer detection are on the horizon, such as multi-cancer detection tests that may help us identify more cancers in asymptomatic people, and possibly at a more treatable/curable stage,” he continued.
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“This is yet to be proven, but another promising avenue to reducing the burden of cancer in our population.”
These are only a few of the modifiable risk factors. In addition to these five key practices, the experts also recommend exercising regularly, getting the recommended amount of sleep and managing stress levels to help prevent cancer and reduce recurrence.
Fox News Digital reached out to the ACS requesting comment.
Health
One walking habit could signal a healthier brain after 80, scientists say
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Older adults identified as “super movers” are about half as likely to develop cognitive impairment than their peers.
That’s according to a recent study led by Stony Brook Medicine in New York, which evaluated the cognitive function of 4,000 adults 80 and over who participated in multiple aging and longevity studies over several years.
Among this group, 6% to 10% were classified as super movers, which means they walk at a much faster pace than others of the same age and gender — at speeds comparable to people three decades younger.
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The super movers were found to have about half the risk of cognitive decline compared to seniors with typical gait speed.
The findings were published in the journal Neurology on June 16.
Older adults identified as “super movers” are about half as likely to develop cognitive impairment than their peers. (iStock)
“The study reinforces that mobility and brain health are closely connected,” lead study author Dr. Joe Verghese, MD, neurologist at Stony Brook Medicine, told Fox News Digital. “This suggests that preserving mobility may be an important marker of healthy brain aging and resilience.”
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The most intriguing finding, according to Verghese, was that super movers maintained cognitive function despite having similar dementia-related brain changes as their peers.
In postmortem brain analysis, there was no difference in dementia-related pathologies between the super movers and the slower walkers, the study stated.
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“This suggests they may possess resilience mechanisms that help preserve brain function even in the presence of age-related changes,” he said. “Understanding these resilience factors could lead to new strategies for promoting healthy brain aging.”
As the study was observational, there were some limitations, and it does not prove that walking faster prevents dementia, the researchers noted.
Super movers were found to have about half the risk of cognitive decline compared to seniors with typical gait speed. (iStock)
“Other factors, such as cardiovascular health, physical fitness or genetics, may also contribute to both faster walking and better cognitive outcomes,” Verghese said.
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This study adds to growing evidence that what’s good for the heart and muscles also benefits the brain, he noted, adding that “staying physically active remains one of the most effective, evidence-based ways to support healthy aging.”
“Walking speed is best viewed as a marker of overall health, not a treatment.”
“The broader message is that physical activity is important at any age,” Verghese said. “Walking is an easy step-up point because you don’t need any special equipment. You can do it inside or outdoors, and you can do it on a regular basis. You can walk with a dog, you can walk with a friend.”
Any activity is beneficial if it’s done regularly and with the right intensity, he added.
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Rather than just trying to walk faster, the neurologist recommends that seniors focus on maintaining mobility through regular physical activity, strength training, balance exercises and good cardiovascular health.
“Walking speed is best viewed as a marker of overall health, not a treatment,” Verghese noted.
Major public health guidelines from the CDC and U.S. Physical Activity Guidelines recommend at least 150 minutes of moderate-intensity aerobic activity each week, such as brisk walking.
Major public health guidelines from the CDC and U.S. Physical Activity Guidelines recommend at least 150 minutes of moderate-intensity aerobic activity each week, such as brisk walking. (iStock)
This can be achieved by walking 30 minutes a day, five days a week, or about 20 to 25 minutes most days. Another option is to engage in shorter sessions that add up over the day.
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“You have to do it within your health limitations and medical conditions,” Verghese advised. “So if there are any medical concerns, I would get your physician to clear you before starting exercise.” The good thing about walking, he added, is that you can start at a slow pace and then gradually build up to a brisker pace.
“And then adding on strength and balance training, whatever age you are, I think is also important.”
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Health
Dr Oz warns Medicare scammers are stealing billions — and your personal information could be next
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Washington, D.C. – Medicare fraud is a multibillion-dollar problem that government officials say threatens both taxpayer dollars and Americans’ personal identities.
In a July 6 interview with Fox News Digital at the Great American State Fair in Washington, D.C., Dr. Mehmet Oz warned that every dollar stolen through Medicare fraud is a dollar taxpayers lose – a problem that has worsened since the COVID pandemic.
“If I had to just pick one thing to focus on to make healthcare more affordable in America, I’d go to health fraud and all the waste and abuse that accompanies it,” said Oz, who is the administrator of the Centers for Medicare & Medicaid Services. “And just to put this in perspective, we think it’s about $100 billion a year.”
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Medicare fraud can include billing for services that were never provided, overcharging for medical equipment, using stolen patient or doctor information, or performing unnecessary procedures, according to the U.S. Government Accountability Office.
CMS administrator Dr. Mehmet Oz is pictured on stage at the Great American State Fair in Washington, D.C., on July 6, 2026. (Angelica Stabile/Fox News Digital)
As the Trump administration ramped up efforts to combat fraud, CMS reported $41.9 billion in Medicare program integrity savings in 2025, up 59% from $26.3 billion in 2024.
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Medicare fraud not only harms the federal budget and steals from taxpayers, but exposes seniors to identity theft, unnecessary care, higher premiums and reduced access, Oz cautioned.
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Removing corruption from the healthcare system will have the greatest impact among seniors, since “so much of the fraud is perpetrated against them,” the administrator said.
“I’m talking about people tricking seniors to give up their Medicare beneficiary numbers, which is like a credit card basically,” he said. “These scammers can take those numbers and use them for all kinds of illegitimate purposes.”
“If I had to just pick one thing to focus on to make healthcare more affordable in America, I’d go to health fraud and all the waste and abuse that accompanies it,” said Oz. (Fox News Digital)
“People are stealing from you by pretending to send you drugs you don’t want, wheelchairs you don’t need, [and] services you never asked for or don’t benefit from,” Oz added.
To prevent this, he shared his top advice for seniors: Do not give your Medicare beneficiary number to anybody, do not answer questions on a phone call from an unknown person and do not give away personal information.
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“These scammers are calling seniors, tricking them, and once they have key information, they can steal it,” he said. “And I won’t know it and you won’t know it.”
“We want to protect people who need these programs the most,” Oz went on. “You do that by making sure scoundrels don’t corrupt the systems and steal money out of the till that is designed to help folks in dire straits when they’re vulnerable and in need of services.”
Seniors should never share their Medicare information with unknown people, the administrator advised. (iStock)
Removing fraud could “double the life expectancy of the trust fund that makes all this possible,” Oz predicted.
“If you’re worried about Medicare being there when you’re ready to retire in a couple decades, depending on how old you are, and you’re concerned that it might not last because of all the fraud that’s hitting it … you’ve got a good [reason to] worry,” he said.
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“If we take the fraud out, we could double the life expectancy, which means you, your kids, your kids’ kids … they could all benefit from this beautiful safety net program.”
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