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Common household chemicals linked to increased risk of serious neurological condition

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Common household chemicals linked to increased risk of serious neurological condition

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A study from Sweden’s Uppsala University discovered a link between microplastics and multiple sclerosis (MS).

The research, published in the journal Environmental International, discovered that exposure to two common environmental contaminants, PFAS and PCBs, could increase the risk of the autoimmune disease.

PFAS, or per- and polyfluoroalkyl substances, known as “forever chemicals,” are used in some common household products, such as non-stick cookware, textiles and cleaning products. They have also been found in drinking water throughout the U.S., according to the U.S. Environmental Protection Agency.

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PCBs, or polychlorinated biphenyls, are toxic industrial chemicals once widely used in electrical equipment before being banned decades ago, as stated by the National Institute of Environmental Health Sciences.

The new study findings were based on blood samples of 1,800 Swedish individuals, including about 900 who had recently been diagnosed with MS, according to a university press release.

PFAS, or per- and polyfluoroalkyl substances, known as “forever chemicals,” are used in some common household products, including non-stick cookware. (iStock)

The first phase of the trial studied 14 different PFAS contaminants and three substances that appear when PCBs are broken down in the body. These were then investigated for a link to the odds of diagnosis.

‘FOREVER CHEMICALS’ FOUND IN US DRINKING WATER, MAP SHOWS ‘HOT SPOTS’ OF HIGHEST LEVELS

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“We saw that several individual substances, such as PFOS and two hydroxylated PCBs, were linked to increased odds for MS,” lead study author Kim Kultima said in a statement. “People with the highest concentrations of PFOS and PCBs had approximately twice the odds of being diagnosed with MS, compared to those with the lowest concentrations.”

The researchers then examined the combined effects of these substances and found that the mixture was also linked to increased risk.

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Fellow researcher Aina Vaivade noted that risk assessments should consider chemical mixtures, not just individual exposures, because people are typically exposed to multiple substances at the same time.

“We saw that several individual substances, such as PFOS and two hydroxylated PCBs, were linked to increased odds for MS,” the lead study author said. (iStock)

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The final phase of the study investigated the relationship between inheritance, chemical exposure and the odds of MS diagnosis, revealing that those who carry a certain gene variant actually have a reduced MS risk.

However, individuals who carried the gene and had higher exposure to PFOS a singular type of chemical in the PFAS family had an “unexpected” increased risk of MS.

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“This indicates that there is a complex interaction between inheritance and environmental exposure linked to the odds of MS,” Kultima said. 

“We therefore think it is important to understand how environmental contaminants interact with hereditary factors, as this can provide new knowledge about the genesis of MS and could also be relevant for other diseases.”

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Multiple sclerosis is a disease that leads to the breakdown of the protective covering of the nerves, according to Mayo Clinic. (iStock)

Fox News senior medical analyst Dr. Marc Siegel commented on these findings in an interview with Fox News Digital.

“MS is a complex disease that is somewhat autoimmune and somewhat post-inflammatory,” said Siegel, who was not involved in the study. “Epstein-Barr virus infection greatly increases the risk of MS.”

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“There is every reason to believe that environmental triggers play a role, including microplastics, and this important study shows a correlation, but not causation — in other words, it doesn’t prove that the microplastics caused MS.”

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The study had some limitations, the researchers acknowledged, including that the chemical exposure was measured only once, at the time of blood sampling. This means it may not accurately represent participants’ long-term or past exposure levels relevant to MS development.

“There is every reason to believe that environmental triggers play a role.”

Fox News Digital reached out to several industry groups and manufacturers requesting comment on the potential link between PFAS chemicals and multiple sclerosis. 

Several have issued public statements, including the American Chemistry Council, which states on its website that “manufacturers and many users of today’s PFAS are implementing a variety of practices and technologies to help minimize environmental emissions.”

In April 2024, the EPA enacted a new federal rule that sets mandatory limits on certain PFAS chemicals in drinking water, aiming to reduce exposure. The agency also aims to fund testing and treatment efforts.

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A woman working out outdoors takes a sip of water from a plastic bottle. (iStock)

Multiple sclerosis is a disease that leads to the breakdown of the protective coverings that surround nerve fibers, according to Mayo Clinic.

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The immune system’s attack on these nerve sheaths can cause numbness, weakness, trouble walking and moving, vision changes and other symptoms, and can lead to permanent damage.

There is currently no cure for MS, Mayo Clinic reports, but treatment is available to manage symptoms and modify the course of the disease.

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Dementia risk signals could lie in simple blood pressure readings, researchers say

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Dementia risk signals could lie in simple blood pressure readings, researchers say

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Simple measurements taken during routine blood pressure checks could predict dementia risk years before symptoms appear.

That’s according to new research presented this week at the American College of Cardiology’s Annual Scientific Session in Louisiana.

The findings draw on two studies led by researchers at Georgetown University, which suggest that monitoring how blood vessels age and stiffen over time can provide a window into future cognitive health.

LURKING DEMENTIA RISK EXPOSED BY BREAKTHROUGH TEST 25 YEARS BEFORE SYMPTOMS

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Data shows rates of dementia and aging-related cognitive decline are expected to increase as populations age, and half of U.S. adults have high blood pressure (hypertension).

Scientists believe that efforts to better address hypertension, a key contributor to heart disease and a risk factor for dementia, could affect both cardiac and brain health.

Data shows rates of dementia and aging-related cognitive decline are expected to increase as populations age. Meanwhile, half of U.S. adults have high blood pressure. (iStock)

“Blood pressure management isn’t just about preventing heart attacks and strokes; it may also be one of the most actionable strategies for preserving cognitive health,” Dr. Newton Nyirenda, the study’s lead author and an epidemiologist at Georgetown University in Washington, said in a press release.

The research focused on two metrics, the pulse pressure-heart rate index and estimated pulse wave velocity. Both were calculated using data collected during standard doctor visits, such as heart rate, age and blood pressure.

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“Blood pressure management isn’t just about preventing heart attacks and strokes; it may also be one of the most actionable strategies for preserving cognitive health.”

Researchers examined five years of data patterns for more than 8,500 people in the SPRINT trial, a large study of adults 50 years and older with hypertension. In the follow-up, 323 of the participants developed probable dementia.

HIDDEN BRAIN CONDITION MAY QUADRUPLE DEMENTIA RISK IN OLDER ADULTS, STUDY SUGGESTS

In one study, the team found the pulse pressure-heart rate index was a strong independent predictor of dementia risk in adults over 50. For participants under 65, every one-unit increase was associated with a 76% higher risk of developing dementia.

For participants under 65, an increase in the pulse pressure-heart rate index was associated with a 76% higher risk of developing dementia. (iStock)

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The second study found that adults with consistently elevated or rapidly increasing pulse wave velocity were more likely to develop dementia than those with stable velocity, even after accounting for factors like smoking, gender and cardiovascular history.

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“Our findings suggest that vascular aging patterns may provide meaningful insight into future dementia risk,” said Nyirenda. “This reinforces the idea that managing vascular health earlier in life may influence long-term brain health.”

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The team emphasized that clinicians should tailor risk assessments and treatment strategies to the individual.

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Further studies are needed to confirm these parameters and determine whether changing vascular aging trajectories reduces dementia risk. (iStock)

“You don’t want to wait until a patient starts manifesting cognitive decline before you act,” said senior study author Sula Mazimba, an associate professor at the University of Virginia.

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Researchers noted the study could not establish causation. Other limitations included the fact that participants already had hypertension and elevated cardiovascular risk, meaning the findings may not apply to people without those conditions.

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Further studies are needed to confirm these findings and to determine whether improving blood vessel health over time could reduce dementia risk.

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Everything You Need To Know About Zepbound for Weight Loss, Including Costs

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Everything You Need To Know About Zepbound for Weight Loss, Including Costs


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‘Gas station heroin’ banned in another state amid nationwide crackdowns

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‘Gas station heroin’ banned in another state amid nationwide crackdowns

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A dangerous substance dubbed “gas station heroin” continues to alarm medical professionals, with more states making moves to restrict or ban tianeptine.

Fourteen states have officially classified the tricyclic antidepressant as a Schedule I controlled substance.

Connecticut is the latest state to crack down, officially banning the sale and use of the substance starting on Wednesday.

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Tianeptine, which can produce euphoria in higher doses, can be more potent than morphine and addictive opioids, according to the U.S. Food and Drug Administration.

Some countries have taken steps to restrict how tianeptine is prescribed or dispensed, and have even revised the labels to warn people of its potential addictive qualities.

Tianeptine can be more potent than morphine and addictive opioids. (iStock)

Misuse of tianeptine can cause severe adverse health effects, including respiratory depression, severe sedation and death, according to the Drug Enforcement Administration.

Some companies market the drug as an aid for pain, anxiety and depression, or as a means of improving mental alertness in a pill, powder, salt or liquid form.

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The products are typically sold at convenience stores, gas stations, vape shops and online retailers, and go by names like Tianaa, ZaZa, Neptune’s Fix, Pegasus and TD Red.

Connecticut is the 15th state to classify tianeptine as a Schedule I controlled substance. (Markus Scholz/picture alliance via Getty Images)

Connecticut Lt. Gov. Susan Bysiewicz said in a press release that the schedule change is a necessary step to combat addiction.

“With false marketing that led consumers to believe these are safe products, and with candy-like flavor options, these substances posed a clear threat to those battling substance-use disorder and our youngest residents,” she added.

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The Nutmeg State also added Mitragyna speciosa (kratom), 7-hydroxymitragynine, Bromazolam, Flubromazolam, Nitazenes and Phenibut to the schedule classification.

Earlier this month, FDA Commissioner Martin Makary penned a letter sounding the alarm on what he called a “dangerous and growing health trend.”

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“I am very concerned,” Makary wrote. “I want the public to be especially aware of this dangerous product and the serious and continuing risk it poses to America’s youth.”

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New York-based Robert Schwaner, M.D., vice chair of system clinical affairs at Stony Brook Emergency Medicine, told Fox News Digital that the FDA has never approved tianeptine as a dietary supplement.

“As with heroin and other opioids, significant mu-opioid receptor stimulation ultimately results in a loss of respiratory drive and subsequent cardiac arrest.” (Dekalb County Sheriff’s Office)

“The euphoria at low doses is primarily due to increased serotonergic activity from its serotonin reuptake effects. With increasing doses, the mu-opioid receptor stimulation may become lethal,” said Schwaner. “As with heroin and other opioids, significant mu-opioid receptor stimulation ultimately results in a loss of respiratory drive and subsequent cardiac arrest.”

Schwaner said he believes the substance requires national regulation due to its addictive qualities. 

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“Acting at the same receptor as opioids, tianeptine has the potential for an individual to develop tolerance, subsequent dependence and withdrawal from its use,” he cautioned.

Fox News Digital reached out to the FDA for comment. 

Fox News Digital’s Greg Wehner and Melissa Rudy contributed to this report.

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