Is Your Meat Making You Manic?

processed meats mania - Is Your Meat Making You Manic? meat manic

By Melinda CaffertyNatural Blaze

Is a “snap into a Slim Jim” likely to make you snap?

Heck, even beef jerky advertisements feature men who are over ‘roided – or, hyper.

Scientists now believe that beef jerky and other processed meats like deli slices are causing manic episodes in humans…

John Hopkins Medicine reports on an analysis of more than 1,000 people with and without psychiatric disorders and it has shown that nitrates – chemicals used to cure meats such as beef jerky, salami, hot dogs and other processed meat snacks – may contribute to mania, an abnormal mood state. Mania is characterized by hyperactivity, euphoria and insomnia.

The findings of the Johns Hopkins Medicine study, which was not designed to determine cause and effect, were published July 18 in Molecular Psychiatry. Research determined that people hospitalized for an episode of mania had more than three times the odds of having ever eaten nitrate-cured meats than people without a history of a serious psychiatric disorder.

In fact, just a few weeks on a diet with added nitrates was enough to trigger manic symptoms in rats.

From the press release:

Experiments in rats by the same researchers showed mania-like hyperactivity after just a few weeks on diets with added nitrates.

While a number of genetic and other risk factors have been linked to the manic episodes that characterize bipolar disorder and may occur in other psychiatric conditions, those factors have been unable to explain the cause of these mental illnesses…

“-and researchers are increasingly looking for environmental factors, such as diet, that may play a role,” they said.

The researchers say that their new study adds to evidence that certain diets and the health microbiome may contribute to mania and other disorders that affect the brain.

 processed meats mania

“Future work on this association could lead to dietary interventions to help reduce the risk of manic episodes in those who have bipolar disorder or who are otherwise vulnerable to mania,” said lead author Robert Yolken, M.D., Professor of Neurovirology in Pediatrics at the Johns Hopkins University School of Medicine.

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Report cont.,

Mania, a state of elevated mood, arousal and energy that lasts weeks to months, is generally seen in people with bipolar disorder, but can also occur in those with schizoaffective disorder. Manic states can lead to dangerous risk-taking behavior and can include delusional thinking, and most of those affected experience multiple hospitalizations in the course of their psychiatric illness.

Bipolar disorder affects an estimated 1 to 3 percent of the population of the United States and costs an estimated $25 billion a year in direct health care costs, according to a study in the Journal of Affective Disorders.

Yolken, trained as an infectious disease expert, was originally interested in whether exposure to infections such as viruses transmitted through food might be linked to any psychiatric conditions. Between 2007 and 2017, as part of an ongoing study, he and colleagues collected demographic, health and dietary data on 1,101 individuals aged 18 through 65 with and without psychiatric disorders. Approximately 55 percent of the participants were female and 55 percent were Caucasian, with 36 percent identifying as African-American.

Those with psychiatric disorders were recruited from patients receiving care at the Sheppard Pratt Health System in Baltimore. Individuals with no history of psychiatric disorders were recruited from posted announcements at local health care facilities and universities in the region.

A study of their records between 2007 and 2017 showed that, unexpectedly, among people who had been hospitalized for mania, a history of eating cured meat before hospitalization were approximately 3.5 times higher than the group of people without a psychiatric disorder. Cured meats were not associated with a diagnosis of schizoaffective disorder, bipolar disorder in people not hospitalized for mania or in major depressive disorder. No other foods about which participants were queried had a significant association with any of the disorders, or with mania.

“We looked at a number of different dietary exposures and cured meat really stood out,” says Yolken. “It wasn’t just that people with mania have an abnormal diet.”

 processed meats mania

Nitrates have long been used as preservatives in cured meat products and have been previously linked to some cancers and neurodegenerative diseases, so Yolken suspected they may also explain the link to mood states such as mania.

Since the dietary survey didn’t ask about frequency or time frame of cured meat consumption, they couldn’t draw conclusions about exactly how much cured meat boosts one’s risk of mania…yet. More studies are in the works.

This writer doesn’t support animal testing, but if you’re interested in the effects of nitrates in the diet on rats, read more here.

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Obviously, the nitrates caused symptoms in rats. Eventually, researchers gave some rats the store-bought, nitrate-prepared jerky and others the nitrate-free formulation. The animals that ate the nitrate-free meat behaved similarly to a control group, “while the animals that consumed the  processed meats manianitrates once again showed sleep disturbances and hyperactivity similar to that seen in patients with mania–increased activity during normal sleep times and in new environments.”

The results were replicated, but more importantly, the nitrates in the rat diet were scaled to be the equivalent to what a human might ingest for a daily snack such as just one hot dog or beef jerky.

Furthermore, animals who ate nitrates had different patterns of gut bacteria than the different groups of rats. “Moreover, the animals had differences in several molecular pathways in the brain that have been previously implicated in bipolar disorder,” John Hopkins reported.

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“It’s clear that mania is a complex neuropsychiatric state, and that both genetic vulnerabilities and environmental factors are likely involved in the emergence and severity of bipolar disorder and associated manic episodes,” said one PhD student involved in the study. “Our results suggest that nitrated cured meat could be one environmental player in mediating mania.”

The Good News!

Hopkins adds,

Yolken’s group recently published results of a separate study showing that when people with bipolar disorder are given probiotics–which can change the composition of gut bacteria–after a manic episode, they are less likely to be rehospitalized in the following six months.

“There’s growing evidence that germs in the intestines can influence the brain,” says Yolken. “And this work on nitrates opens the door for future studies on how that may be happening.”

Please share the news with your friends!


This article (Is Your Meat Making You Manic?) by Melinda Cafferty was created by and appeared first at Natural BlazeIt can be reshared with attribution but MUST include link to homepage, bio, intact links and this message.

Images: Niceness, Steven Depolo, Voisin Demery, Pixabay CC 2.0

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