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Medical Groupthink Makes People Sicker, Analysts Argue

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7 minute read

From Heartland Daily News

AnneMarie Schieber

Medicine has a huge “blind spot” that has led to an explosion of childhood obesity, diabetes, autism, peanut allergies, and autoimmune diseases in the United States, says Martin Makary, M.D., author of the bestselling book Blind Spots.

“We have the sickest population in the history of the world … right here in the United States, despite spending double what other wealthy countries spend on health care,” said Makary during a September 20 presentation at the Cato Institute, titled “Blind Spots: When Medicine Gets It Wrong, and What It Means for Our Health.” Also on the panel were Cato scholars Jeffrey A. Singer, M.D., and David A. Hyman, M.D.

Makary became well-known during the COVID-19 lockdowns as one of a small group of prominent physicians who publicly questioned the government’s response to the virus. Makary is a professor of surgery at Johns Hopkins Medicine, where he researches the underlying causes of disease and has written numerous scientific articles and two other bestselling books.

Chronic-Disease Epidemics

Makary said the rates of some diseases have reached epidemic proportions. Half of all children in the United States are obese or overweight, with 20 percent now diabetic or prediabetic. The rate of children being diagnosed with autism is up 14 percent every year for the last 23 years, one in five U.S. women have been diagnosed with an autoimmune disease, and gastrointestinal cancers have doubled in the last two decades.

“We have got to ask the big questions,” said Makary said in his remarks. “We have developed blind spots not because we’re bad people but because the system has a groupthink, a herd mentality.”

Health care has become assembly-line medicine, with health professionals pressured to focus more on productivity and billing output than on improving overall health, says Makary.

“We need to look at gut health, the microbiome, our poisoned food supply; maybe we need to look at environmental exposures that cause cancer, not just the chemo to treat it; maybe treat diabetes with cooking classes instead of throwing meds at people; maybe we need to treat high blood pressure by talking about sleep quality,” said Makary.

Sticky Theories

Hyman says cognitive dissonance can cause blind spots, highlighting an example of a surgeon initially resistant to trying less-invasive antibiotics before surgically removing an appendix, as recounted in Makary’s book.

“Easy problems are already fixed, so how do we fix this hard problem?” said Hyman at the presentation, pointing out unjustified medical opinions can persist for decades.

Such opinions include the ideas that “opioids are not addictive, or antibiotics won’t hurt you, or hormone therapy causes breast cancer even though the data never supported it, the dogma of the food pyramid,” said Makary.

“We love to hold on to old ideas not because they’re better or more logical or [more] scientifically supported than new information, but just because we heard it first,” said Makary. “And it gets comfortable. It will nest in the brain, and subconsciously we will defend it.”

Peanut Allergy Mixup

Singer asked Makary about the peanut allergy dogma the American Academy of Pediatrics pushed in 2000, recommending children not eat peanuts before the age of three. It turned out to be wrong, said Singer.

“We have peanut allergies in the U.S. at epidemic proportions, [yet] they don’t have them in Africa and parts of Europe and Asia,” said Makary. The United States “got it perfectly backward,” said Makary. “Peanut abstinence results in a sensitization at the immune-system level.”

An early introduction of peanuts reduces the incidence of people identified with peanut allergies at a rate of 86 percent, Makary told the audience.

Makary said he confronted those who argued for peanut abstinence, noting there were no studies to back up the recommendation. They replied that they felt compelled to weigh in because the public wanted something done, said Makary.

‘Demonized’ HRT

The recommendation against hormone replacement therapy (HRT) for older women because of breast cancer risk is another example of misguided groupthink, Makary told the audience.

“It is probably the biggest screw-up in modern medicine,” said Makary.

“HRT replaces estrogen when the body stops producing it,” said Makary. “Women who start it within 10 years after the onset of menopause live on average three and a half years longer, have healthier blood vessels, they will have 50 to 60 percent less cognitive decline, the risk of Alzheimer’s goes down by 35 percent. Women feel better and live longer. The rate of heart attacks goes down by half. And their bones are stronger. There is probably no medication that has a greater impact on health outcomes in populations than hormone therapy.”

A demonization campaign against HRT began 22 years ago when a single scientist at the National Institutes of Health held a press conference saying HRT was linked to breast cancer, Makary told the audience.

“The incredible back story is that no data were released at that announcement,” said Makary. “And today there is no statistically significant increase [of breast cancer].”

Political Challenges

Among the broad range of topics in the 75-minute discussion, the panelists considered how medical groupthink affects government policy.

“Agencies make decisions in the shadows of how [they think] Congress will react,” said Hyman. “Congress can make your life really miserable if you’re a federal regulator. They can cut your budget, call you in, and yell at you because you haven’t taken aggressive steps to protect the American public.”

Makary said doctors must avoid making recommendations based on “gut feelings.”

“We spend a staggering amount of money on delivering health care, and very little money on what actually works,” said Hyman.

AnneMarie Schieber ([email protected]is the managing editor of Health Care News.

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Addictions

Field of death: Art project highlights drug crisis’ impact on tradespeople

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City Counsellor Ron Kerr’s Blue Hat Memorial Project at the Tyee Spit in Campbell River, B.C., April 2025. | Courtesy of Ron Kerr

By Alexandra Keeler

The drug crisis is really a men’s mental health crisis, says Ron Kerr, the artist and city councillor behind a visually staggering project

Fifty thousand flags blanket the north end of Tyee Spit in Campbell River, B.C. — a staggering visual memorial to the lives lost in Canada’s opioid crisis since it was declared a public health emergency in 2016.

Called the Blue Hat Memorial Project, the installation spans nearly the length of a football field. It features 36,000 blue flags to represent the men and boys killed by toxic drugs, and 14,000 purple flags for women and girls.

“The actual installation does something you can’t do by just reading [about it],” said Ron Kerr, the artist behind the project. Kerr is also a city councillor in Campbell River, a city of 38,000 on the northeast coast of Vancouver Island.

“You’re visually seeing it, and it’s going right to your heart and creating an emotional response,” he said.

The installation’s name is a reference to the blue hard hats worn by newcomers or trainees on blue-collar job sites. Kerr says one of his aims is to draw attention to how the drug crisis has acutely affected working-class men. Between one-third and half of the individuals who died of opioid poisoning worked in the skilled trades, according to public health data.

Kerr, who has worked closely with tradesmen as an artist and advocate in men’s peer support groups, describes many of these tradesmen as “functional addicts” — employed, seemingly stable individuals who privately use drugs to manage pain or depression without others noticing.

“They are doing drugs at home or in their garage, and people don’t even know that they are [because] they’re functional, they’re working,” he said. “They’re able to control their depression or occupational injury through opiate drugs.”

Tradespeople are especially vulnerable to developing substance use disorders due to the physical demands, long hours and high injury rates associated with their work. Many use stimulants to stay alert or opioids to manage pain or cope with isolation in remote jobs.

“There is an expectation to get out the next day and get to work, no matter how you’re feeling,” said Kerr. “Self-medication is the easiest way to do it — a slippery slope from Tylenol to prescription drugs.”

A 2021 survey by the Construction Industry Rehabilitation Plan found that one in three B.C. construction workers reported problematic substance use. More than two-thirds screened positive for PTSD.

Loneliness is another major driver. Experts say men often avoid seeking help due to stigma, leading to further isolation.

“The opposite of addiction is connection,” said Kerr. “Men don’t have a place to go when they can’t deal with their issues, so they self-medicate.”

A pattern flipped

When Kerr first launched the installation in August 2024, he and a team of volunteers initially planted only blue flags. But in response to questions like, “Where are the women?”, he added purple flags this year.

“It was a blending — to give them their due,” he said.

Kerr’s installation sits on the unceded territory of the Liǧʷiłdax̌ʷ people, including the Wei Wai Kum Nation, a nation of nearly 1,000 people.

Wei Wai Kum’s chief, Chris Roberts, told Canadian Affairs he does not want the project’s focus on men to overshadow other key trends.

In B.C., Indigenous people die from drug poisoning at nearly seven times the rate of the general population. And within many Indigenous communities, the gendered pattern is at odds with national trends: women are dying at even higher rates than men.

“The opioid crisis has significantly affected my community as well, and it continues to — we are overrepresented as Indigenous people,” Roberts said.

“In our case, the gender split is much more balanced,” he added.

An aerial view of the Blue Hat Memorial Project in Campbell River, B.C., April 2025. | Courtesy of Ron Kerr

‘Inadequate recovery’

Currently, Campbell River — the overdose epicentre of northern Vancouver Island — has only one aging recovery centre.

“[The city is] a hub for the whole North Island, but we have very little in terms of recovery,” said Kerr. “[There is] just one inadequate recovery centre in a 50-60 year old house with tiny rooms.”

Kerr is critical of how B.C. has implemented harm reduction strategies. He says policies such as drug decriminalization and safer supply were launched without the recovery infrastructure needed to make them effective.

“[Portugal] legalized drugs too, but the most important thing was that they provided the recovery services for them — they went all in,” said Kerr. “In this province, they just haven’t spent the money and time on doing that.”

Kerr also worries too many resources have gone to safer supply programs, without offering drug users a way out.

“When you get a person in full-blown addiction, and you’re giving them all the drugs they need, the food they need, and the clothes and shelter, what’s going to stop them from carrying on?” he said.

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Kerr wants his installation to draw attention to the need for more recovery-oriented solutions, such as treatment centres and housing. In particular, he points to a lack of affordable or free housing for people to live in after initial recovery.

“What you need is a good, clear off-ramp,” said Kerr. “They need to have recovery options that are either affordable or free so they can get off the road that they’re on.”

Chief Roberts agrees. Wei Wai Kai Nation is currently converting the former Tsạkwạ’lutạn resort into a 40-bed healing centre that will combine medical care with culture-based recovery.

“We’ve made investments to acquire properties and assets where people can go and reconnect with the land, the territory and their identity as a Ligwilda’xw person,” Roberts said.

Kerr says he will consider the Blue Hat Memorial a success if it leads to more funding and momentum for these types of recovery-oriented services.

The Blue Hat Memorial remains in Campbell River until the end of April. But Kerr, who previously re-created the installation in Nanaimo and West Vancouver, says he remains committed to doing more projects.

“I’ve got no expectation of senior government to come along and do this without a groundswell of grassroots people saying ‘we need this,’ and pushing government to do it,” said Kerr.

“I’m going to keep having the installation until that happens.”


This article was produced through the Breaking Needles Fellowship Program, which provided a grant to Canadian Affairs, a digital media outlet, to fund journalism exploring addiction and crime in Canada. Articles produced through the Fellowship are co-published by Break The Needle and Canadian Affairs.

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Addictions

New Report – Five years on: Tracing the costs of lockdowns

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Justice Centre for Constitutional Freedoms

In 2019, 67 percent of Canadians rated their mental health as “very good or excellent.” By 2023, that figure had dropped to just 54 percent.

A new report from the Justice Centre for Constitutional Freedoms examines the immediate and long-term negative impacts of Covid lockdowns, including physical, social, and economic harms. It also underscores the lack of transparent, evidence-based analysis by governments to justify these measures.

The report details how policies introduced with the stated goal of saving lives came at an extraordinary cost to Canadians’ mental and physical health, access to healthcare, economic security, and civil liberties.

One of the most concerning findings is the sharp decline in Canadians’ mental health. In 2019, 67 percent of Canadians rated their mental health as “very good or excellent.” By 2023, that figure had dropped to just 54 percent.

Meanwhile, the number of Canadians reporting “fair or poor” mental health nearly doubled—from 8 percent to 15 percent. This trend was seen across all age groups, but especially among young adults.

Indeed, despite facing minimal risk from Covid, young Canadians suffered some of the most serious consequences of lockdown measures. Non-Covid deaths among Canadians under age 45 rose by 22 percent, driven by factors such as disease, addiction, delayed treatment, and suicide. Physical activity among youth dropped significantly during this period, while time spent on screens—such as cell phones, computers, and tablets—increased sharply. Up to 70 percent of children and teens reported experiencing anxiety, depression, or other serious mental health issues.

A particularly alarming trend was the surge in opioid-related deaths. From 2020 to 2023, annual opioid overdose deaths increased by 108 percent. In 2023 alone, 8,606 Canadians died from opioid toxicity—more than double the pre-lockdown average. British Columbia, Alberta, and Ontario recorded the highest rates, with the vast majority of deaths involving fentanyl.

During Covid, thousands of medical check-ups, diagnoses, and treatments were delayed or cancelled, resulting in a serious and ongoing backlog in Canada’s healthcare system.

Wait times for medical treatments increased by 43 percent between 2019 and 2024, reaching a median of 30 weeks. MRI wait times rose by 55 percent. For certain cancers, including breast and prostate, surgery delays increased by as much as 34 percent. Since 2018, more than 74,000 Canadians have died while waiting for surgery or diagnostic care—over 15,000 of them in 2023–24 alone. The actual number is likely higher, due to poor provincial tracking and reporting.

The economic impact was equally severe. Lockdowns resulted in widespread job losses, particularly among low-wage workers, while the “laptop class” remained largely unscathed. While many public sector jobs expanded during this time, Canadians in hospitality, retail, and service sectors faced prolonged unemployment. The expansion of public spending and government debt contributed to rising inflation, driving up the cost of food, housing, and other essentials.

Crime rates also rose during the lockdown years. Homicides peaked in 2022 at 17 percent above trend, with 882 victims across Canada. Cybercrime nearly doubled, rising from 48,000 cases in 2019 to over 93,000 in 2023. Identity theft and fraud increased to 120 percent above trend in 2020, with similar levels in the following years. Particularly troubling was the rise in online child sexual exploitation, which reached 18,650 reported cases in 2023—a 173 percent increase from 2019.

Benjamin Klassen, Education Coordinator at the Justice Centre, says the findings demand accountability. “This report calls for governments to take responsibility for the damage done during this period and ensure that future public health policies uphold the Charter rights and freedoms of all Canadians.”

Mr. Klassen continues, “The Charter requires governments to ‘demonstrably’ justify any freedom-limiting policy. To date, no federal or provincial government in Canada has conducted the kind of comprehensive impact assessment required to justify the lockdowns.”

He concludes, “The evidence is clear: the harms of lockdowns outweighed their benefits. Canadians deserve an honest and transparent evaluation of lockdown harms, so that these mistakes are never repeated.”

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