Health
Local dengue fever cases confirmed in Florida Keys, spread by mosquito bites
Two cases of locally acquired dengue fever – a mosquito-borne illness – have been confirmed in the Florida Keys, the Florida Department of Health in Monroe County announced earlier this week.
The Monroe Department of Health and the Florida Keys Mosquito Control District (FKMCD) are upping their surveillance and prevention efforts as cases arise, the notice said.
These measures include door-to-door mosquito inspections in the area, enhanced trapping and monitoring, and aerial and truck-mounted larvicide and adulticide treatments.
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Dengue fever can cause flu-like symptoms that include severe muscle aches, joint pain, fever and rashes, according to the alert.
Dengue fever is not contagious and can only be spread by an infected mosquito. Symptoms can appear within 14 days of being bitten.
The Florida Keys has confirmed two locally acquired cases of mosquito-borne dengue fever. (iStock)
DOH-Monroe reminded residents to take basic precautions against mosquito bites, including wearing bug repellent on skin and clothing, keeping screens on windows, using air conditioning in the home, and keeping doors and windows closed when possible.
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FKMCD also released a statement encouraging property owners to prevent mosquitoes from breeding by eliminating standing water.
This can be done by turning over and removing empty pots, buckets, trash cans, recycling bins, pet bowls and children’s toys that collect water.
Wearing long sleeves and pants and applying bug spray can help prevent mosquito bites. (iStock)
The group also recommended checking tarps on boats or other equipment, as well as gutters, to make sure they’re clear of debris.
Property owners are also encouraged to flush fresh water through hanging plants and bird baths.
Fox News Digital reached out to the Florida health department for additional comment.
“There are currently no vaccines in the United States against mosquito-transmitted viruses, nor are there many treatments.”
“Personal protection remains folks’ best bet to stop the spread of mosquito-borne diseases, and vector-borne diseases more broadly,” Joe Fauver, PhD, epidemiologist at the University of Nebraska Medical Center, told Fox News Digital.
“There are currently no vaccines in the United States against mosquito-transmitted viruses, nor are there many treatments.”
Highest on record
Just before the local Floridian outbreak, the U.S. Centers for Disease Control and Prevention (CDC) issued an official health advisory for an increased risk of dengue fever infection.
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The agency reported on June 25 that the global incidence of dengue in 2024 is the highest on record.
The World Health Organization (WHO) recorded more than 7.6 million global dengue fever infections in the first four months of 2024.
Global health agencies have reported high numbers of dengue fever infections in 2024. (iStock)
The CDC advised health care providers to be on the lookout for dengue symptoms and to order appropriate diagnostic tests.
During an appearance on FOX Business’ “Varney & Co.” on Tuesday, Johns Hopkins School of Medicine professor Dr. Marty Makary said the infection is considered “dangerous,” but not to the level of “another pandemic.”
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“It’s endemic in many tropical and warm countries,” he said.
Dengue fever, which has been reported in about 38 U.S. states, can come with a characteristic eye pain and rash, according to the doctor.
Florida officials say the yellow fever mosquito (aedes aegypti) is to blame for dengue transmission. (iStock)
Although there are tests available, Makary confirmed there is no known treatment for dengue.
“It’s a good reminder to try to do what you can to reduce mosquito bites, especially in the southern United States, where this is more common,” he advised.
‘Invasive’ and ‘aggressive’ mosquitoes
While Florida authorities have identified the yellow fever (Aedes aegypti) mosquito as the culprit in spreading dengue, the European Centre for Disease Prevention and Control (ECDC) previously warned that tiger mosquitoes (Aedes albopictus) can also carry the infection.
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Elitza Theel, PhD, director of Mayo Clinic Laboratories in Minnesota, confirmed that tiger mosquitoes are a “known vector” for dengue fever and can transmit the virus to individuals who have not previously been infected.
“This mosquito species is concerning for a number of reasons, including that it is considered the most invasive species in the world,” she told Fox News Digital last month.
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The mosquito species is moving further and further north globally as temperatures grow warmer, the expert said.
“Tiger mosquitoes are also rather aggressive, biting both humans and animals at any time of the day, rather than just at dawn or dusk, which is typical of other mosquito species,” Theel warned.
Aedes albopictus, the “tiger” mosquito, can survive in cooler climates, according to experts. (iStock)
Fauver warned that the tiger mosquito can spread many “problematic arboviruses (arthropod-borne virueses),” including dengue, Zika and chikungunya.
“The mosquito is a generalist feeder and will gladly take bloodmeals from humans, potentially exposing them to these arboviruses,” he told Fox News Digital.
“Aedes albopictus is an invasive species and is currently undergoing rapid range expansion and establishing populations in areas it previously wasn’t, including Europe and the U.S.”
Health officials have claimed that climate change is one of the factors contributing to the spread of these insects.
Fox News Digital’s Melissa Rudy contributed to this report.
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.
COMMON VITAMIN MAY INFLUENCE BRAIN AGING IN WAYS SCIENTISTS DIDN’T EXPECT
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.”
Health
I Tried the Viral Gelatin Weight-Loss Recipe—Here’s My Honest Take
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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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