But now, Jordan Peterson's lifelong embrace of unconventional thinking may be coming at a cost to his health.

The 63-year-old Canadian psychologist and bestselling author, whose books have sold in the tens of millions and whose net worth is estimated at more than $100 million, is gravely ill.

Details have largely been scant. It is not clear whether he has been seen in public at all for the better part of a year.

In October 2025, Peterson's daughter Mikhaila posted to her Instagram account that her father had 'got sick and came to stay with us in July, then... went to the hospital by ambulance.'

Earlier this month, 34-year-old Mikhaila shared another update, this time in a video message shared to X, formerly Twitter.

Peterson has, Mikhaila said, been suffering from an agonizing condition called akathisia, which causes intense restlessness, a tortuous inability to keep still and a constant feeling of terror.

It has been described by patients as the most 'frightening hell a human can experience' and, in some cases, it drives sufferers to kill themselves.

Mikhaila, who appears to now be managing her father's affairs, added that his symptoms began 'last summer'.

She also said that the Peterson family believe the condition was triggered by anti-anxiety medication he was prescribed after his wife was diagnosed with cancer in 2020.

Mikhaila – who has been criticized for embracing unproven medical theories – additionally claims her father has been diagnosed with an autoimmune condition triggered by exposure to toxic mold.

Known as CIRS, it is hard to diagnose and not widely accepted in mainstream medicine.

She says too that complications from fighting life-threatening pneumonia and sepsis simultaneously landed Peterson in intensive care last summer.

Her father was, she said, 'near death.'

Now, the Daily Mail has learned that Peterson is a shell of his former self. Far from the commanding presence he became known for in debates and public lectures, he is now struggling to sustain even brief conversations.

Friends and family describe Peterson's daily life as a grinding struggle.

Even on good days, he rarely leaves his luxury compound in Arizona, which he bought during a $50 million property investment spree at the end of 2024. The crown jewel of the family’s portfolio is a $35 million estate in Paradise Valley.

Long walks and hot tub sessions bring some relief. He also works with specialists on mental exercises and physical therapy.

Jonathan Pageau, a French-Canadian YouTuber and close friend who has visited several times in recent months, said Peterson could barely sustain a few minutes of conversation before being 'overwhelmed with pain and discomfort.'

Only fleeting glimpses of his former self now remain - moments at dinner or in conversation where the sharp wit that once defined him occasionally cuts through.

'Good days look like struggle and pain, but he's still capable of taking walks, working on projects and having good conversations,' Pageau told the Daily Mail, adding: 'Just with difficulty, and never for long.

'Bad days are constant pain and akathisia. He struggles to focus on anything and lapses into discouragement and despair.'

In short, the condition is, as Peterson's daughter Mikhaila describes it, 'the worst thing I've ever seen anyone go through' and has gotten worse over the last few months.

Peterson has long struggled with bouts of depression but his serious health issues began at the height of his fame in 2019, when his wife Tammy, now 60, was diagnosed with kidney cancer and he began increasing his anti-anxiety medication to cope.

His family says he had a 'paradoxical reaction' to clonazepam, brand name Klonopin, which acts like a slower release version of Xanax.

Peterson himself described his condition at the time as 'dire' and confessed he had been left 'hoping that I would die.'

Most doctors say akathisia can be treated by slowly weaning patients off their medication.

But Peterson pursued bizarre and fringe medical treatments which friends told the Daily Mail they believe intensified his symptoms – not lessened them.

Against his doctor's advice, Peterson flew to Moscow in January 2020 to be placed in a medically induced coma for more than a week to force a 'rapid detox'.

He had also adopted his daughter Mikhaila's radical red meat-only diet, which medical professionals warn against.

'My sense is that he probably didn't need to go so extreme,' one of Peterson's long-standing academic collaborators told the Daily Mail, speaking on condition of anonymity.

A fellow academic who collaborated with Peterson extensively in the 2000s and 2010s noted pointedly that he was 'a lot healthier' before the all-meat diet.

Whether it was the Moscow treatment or his reaction to the drugs that did the damage remains unclear, but Peterson emerged from the experience in even more desperate shape.

He was unable to walk, stripped of large portions of his memory and faced months of grueling rehabilitation split between Moscow and Serbia.

His road back was punishing. He walked ten miles every day to battle the 'unbearable' restlessness of akathisia and endured aggressive 90-minute sauna sessions each morning.

For a time, it seemed to work. A new book arrived. A lucrative deal with conservative network the Daily Wire followed in 2022.

His provocative voice was back on screens across the globe. But he suffered a setback when both of his parents died in 2024.

He relocated to Paradise Valley, Arizona, reportedly pouring $50 million into properties there, including a headquarters for Peterson Academy, an online education platform that he runs with Mikhaila.

Then, in August 2025, came another devastating blow.

Peterson was taken to hospital via ambulance with pneumonia that rapidly progressed to sepsis.

His 2026 speaking tour across North America and Europe was scrapped.

And ever since, Peterson's YouTube channel, followed by nearly 9 million people, has not been regularly updated. His most recent podcast episode dropped in August 2025, though it is not clear when the episode was actually filmed, and could well be historic.

'It is really an existential struggle that is fought every day and finding the right help has been difficult,' said Peterson's friend Pageau.

Another pal, speaking anonymously, told the Daily Mail that Peterson's lifelong habit of opposing mainstream expert opinion had paved the road to fringe medicine as surely as it had paved his road to intellectual stardom.

He'd grown accustomed to being 'opposed to what common experts think,' the friend said.

Others have raised concerns over Mikhaila, who promotes so-called ketogenic therapies and claimed her father's ailments stem from mold exposure and 'mitochondrial dysfunction' – theories that mainstream medicine does not support.

She has also suggested his health battles are connected to political tensions, claiming that the 'family has been attacked spiritually' – a statement that has raised eyebrows even among those sympathetic to the Petersons' ordeal.

The Daily Mail has reached out to Mikhaila for comment.

Gregg Hurwitz, the bestselling Los Angeles thriller writer and longtime friend, said he would not second-guess the choices of a man who had carried such an enormous burden for so long.

'Jordan shouldered an enormous amount of responsibility for an enormous number of years for a lot of people in the culture,' Hurwitz told the Daily Mail.

'He carried that load alone. He just needs to rest and heal now.'

For millions of fans around the world who found in Peterson a voice of clarity and courage in confusing times, those words will surely resonate. Those same fans are now waiting anxiously to see whether the man who urged them never to give up can find a way back from the brink.

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