The link between the Zoster vaccine and a lower risk of dementia has been strengthened in new investigations.
A study by Stanford Medicine, published in Nature magazine on April 2, found that the vaccine, which is used to prevent tiles, reduced the probability of a new dementia diagnosis in approximately 20% in the next seven years.
“If these findings are really causal, the Zoster vaccine will be much more effective and profitable to prevent or delay dementia than existing pharmaceutical interventions,” said the researchers in the study.
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These findings also support an emerging theory that viruses that affect the nervous system can increase the risk of dementia.
The author of Senior Pascal Geldsetzer, MD, PHD, assistant medical professor at Stanford, said he considers these “greatly important” findings for clinical medicine, population health and research.
Researchers have marked a link between the Zoster vaccine and the least risk of dementia in multiple data sets. (Istock)
“For the first time, we now have evidence that it probably shows a cause and effect relationship between vaccination with tiles and dementia prevention,” he told Fox News Digital.
“We find that these protective effects are large, substantially larger than those of existing pharmacological tools for dementia.”
The randomized essay took advantage of the unique way in which the Zoster vaccine was implemented in Wales, the United Kingdom, in 2013, said Geldsetzer.
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“They said that if you had your 80th birthday just before the start date of the program, you are not eligible and remains ineligible for life,” he said. “If you had your 80th birthday just after, you were eligible for at least a year.”
“We see in our data that only a difference of one week at this birthday date limit means that no one is vaccinated by approximately half of the vaccinated population.”
The study found that women benefited from the vaccine more than men in terms of reduced dementia risk. (Istock)
According to Geldsetzer, both the groups eligible for the vaccine and not eligible are “good comparison groups”, according to Geldsetzer, since the only difference is that they were born a few days before or later.
The researcher revealed the same protective effect of vaccination with dementia tiles in different populations and countries that implemented the vaccine in a similar way.
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To gather more evidence and confirm the link, Geldsetzer recommends a clinical trial.
“I am currently trying to raise funds to make a trial of this type of private foundations and philanthropy,” he said.
“We want to try the attenuated vaccine live (the vaccine for which we have generated our body of convincing evidence), which is no longer manufactured in the United States”
According to researchers, the protective effect of vaccination with tiles for dementia has been identified in different populations and countries. (Istock)
The family doctor, Dr. Mark Loafman, who did not participate in the study, intervened in the association between the tile vaccine and the risk of dementia.
“Commonly we see intriguing holders of studies that show an association between a particular health result and exposure to something in the environment, our diet or medications,” said Chicago’s doctor in an interview with Fox News Digital.
“The challenge when interpreting this type of data is that an association is not a proof in any way that the exhibition is what caused the health finding.”
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Loafman said that this large population study does a “very good job” by excluding the possibility that vaccinated groups share different attributes that could skew the result.
“Then, it really seems that the vaccine offers a fairly significant level of protection against the development of dementia.”
These findings support an “emerging theory” that viruses that affect the nervous system can increase the risk of dementia, according to Stanford Medicine. (Istock)
“The study also includes convincing evidence to support two highly plausible mechanisms … in which the vaccine decreases the incidence of dementia,” he added.
This includes the fact that the herpes virus, which causes chickenpox and tiles, sits in the nervous system and is latent, which can light the tiles later.
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“Secondly, attenuated vaccines live, such as tile vaccine, are associated with neuroprotective properties,” Loafman continued. “The association is not causal, but this study adds much more credibility to this association.”
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Loafman, who has already received the tile vaccine, said he will recommend it to patients in the light of this research.
“These findings bring me even more breath to recommend it to my eligible patients, friends and family,” he said.
