Controversial Canadian psychologist Jordan Peterson is expected to take time off from “everything” after being exposed to a “particularly moldy environment,” his daughter says.
Mikhaila Peterson took to X on Wednesday afternoon to reveal the 63-year-old influencer-academic has been forced to postpone his podcasts and move his European tour after a “severe” flare-up of symptoms she said is connected with chronic inflammatory response syndrome.
The elder Peterson has openly discussed his experience with CIRS, a condition allegedly linked to mold exposure and immune system dysfunction, and claimed he was diagnosed in 2018. It is not an officially recognized medical diagnosis or considered a distinct disease by any significant public health agency.
“Hey guys, @jordanbpeterson is taking some time off of everything,” Mikhaila Peterson wrote in a post retweeted by her father.
“Over the last year or so, he’s been feeling the impact of CIRS more and more,” she continued. “Recently, he was exposed to a particularly moldy environment while helping clean out my grandfather’s house after he passed away, which severely flared symptoms.”
CIRS is believed to be a condition where the immune system reacts abnormally after exposure to toxins, like those from mold in damp or water-damaged buildings.
Symptoms include fatigue, neurological issues, pain, and sensitivity to light, according to one review published in the Annals of Medicine and Surgery.
While many physicians outside of environmental medicine view CIRS as controversial due to a lack of empirical evidence and ambiguous diagnostic criteria, Mikhaila Peterson called the condition’s lack of recognition “absurd.”
The 33-year-old YouTuber said her father has been suffering “badly” from CIRS since 2017, a year before he said he was diagnosed. She said that Peterson only ate meat, which helped curb symptoms, but added that “it hasn’t been enough recently.”
Dr. Ritchie Shoemaker, who coined the term CIRS in the 1990s and spoke with Peterson on his podcast last year, says treatment involves eliminating exposure to the triggering biotoxins and supporting the body’s detoxification and immune function.
Hey guys, @jordanbpeterson is taking some time off of everything.
— Mikhaila Peterson (@MikhailaFuller) August 13, 2025
He was diagnosed with CIRS (chronic inflammatory response syndrome) due to a genetic predisposition that causes the immune system to have an inability to identify and detoxify mold/bacteria in indoor air (the…
“Praying we can treat him quickly and the medical community can be more aware of CIRS and building codes can change (add ERVs to HVACs) so we can get fresh air indoors,” Mikhaila Peterson said.
The younger Peterson said her father’s ill health is not connected to his akathisia – a restlessness condition linked with benzodiazepine withdrawal – and claimed he is not on any medication.
Peterson was allegedly diagnosed with akathisia in 2020 after being treated for insomnia and depression, and later underwent a benzodiazepine detox in Russia, which he said included being placed in a medically induced nine-day coma.
In recent years, Peterson has gained a reputation for frequent emotional outbursts and weeping during interviews, which his daughter appeared to link to his condition.
“CIRS is also the explanation behind recent cancelled shows, cancelled events, sporadic appearance of being rundown and general weepiness (caused by pain),” she said.
Other conservative media figures have rallied around Peterson, wishing for his quick recovery.
“Dr. Peterson is not just a mentor and colleague, he is a dear friend. I am praying for his speedy recovery and sending my best to his family. Refuah shelaima!” wrote right-wing comedian and podcaster Ben Shapiro.
“Dr. Peterson has helped millions of people across the globe navigate the toughest of circumstances, this is our opportunity to return the favor,” tweeted Shapiro’s media company, The Daily Wire. “Please join the Daily Wire team in sending prayers and well wishes as he takes the necessary time to rest and recover.”
The Independent has reached out to Peterson’s representatives for more information.
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