Mark Hyman, MD · 2025-07-02 · Mark Hyman (host), Daniel Schmachtenberger

Why Chronic Disease Is Exploding! | Daniel Schmachtenberger

46 research-tied claims examined: 5 contradicted 8 overstated 6 context 18 supported 9 unverified

8

Overstated

0:27:35Mark Hyman (host)overstatedmoderate

The NIH funded a $30 million trial called TACT evaluating IV EDTA chelation, which found it to be effective in preventing heart disease and heart attacks.

"And the NIH did a $30 million trial called the TACT trial where they used EDTA IV chelation. EDTA specifically removes lead, and they found that it was very actually effective in preventing heart disease and heart attacks, and yet it's not part of standard medicine." (said at 0:27:35)

The NIH-funded Trial to Assess Chelation Therapy (TACT) evaluated intravenous disodium EDTA chelation in post-myocardial infarction (MI) patients. However, characterizing the trial as showing EDTA chelation was "very effective in preventing heart disease and heart attacks" overstates the published evidence. In the initial TACT trial (2013), EDTA chelation resulted in only a modest reduction in a broad composite primary end point (hazard ratio 0.82; 95% CI, 0.69-0.99; P = .035), driven mainly by reductions in coronary revascularization procedures, while individual rates of myocardial infarction, stroke, and total mortality were not significantly reduced. The authors concluded the results were insufficient to support routine clinical use. Subsequently, the follow-up TACT2 trial (2024), conducted specifically in post-MI patients with diabetes, found that despite reducing blood lead levels, EDTA chelation produced no significant reduction in primary cardiovascular events (HR 0.93; 95% CI, 0.76-1.16; P = .53) or all-cause mortality compared to placebo.

0:37:55Daniel Schmachtenbergeroverstatedmoderate

Correctly prescribed drugs administered at the proper dose and for the correct indication are the third leading cause of death in the United States.

"we know that our healthcare system itself is the third leading cause of death through prescribed drugs given for the right reason at the right dose for the right patient, not mistakes." (said at 0:37:55)

The speaker overstates the specific contribution of properly prescribed drugs. The landmark meta-analysis on properly prescribed and administered drugs (excluding errors, overdose, and noncompliance) in US hospitals estimated approximately 106,000 fatal adverse drug reactions per year, placing them between the fourth and sixth leading cause of death in the United States (Lazarou et al., 1998). The claim that medical harm is the third leading cause of death comes from analyses examining medical errors broadly—which include administrative, diagnostic, and clinical mistakes—rather than non-error, properly prescribed drug therapy alone.

0:42:48Mark Hyman (host)overstatedmoderate

Chronic loneliness confers a health risk equivalent to smoking two packs of cigarettes per day.

"if you're lonely, it's like smoking two packs of cigarettes a day in terms of your risk." (said at 0:42:48)

The speaker overstates the magnitude of the mortality risk associated with loneliness. The widely cited benchmarking from meta-analytic literature (notably by Holt-Lunstad and colleagues) compared the risk of poor social relationships to smoking up to 15 cigarettes per day (less than one pack), not two packs (40 cigarettes) per day. Furthermore, meta-analyses focusing specifically on subjective loneliness found an odds ratio of 1.26 (a 26% increase in mortality risk), which is considerably lower than the mortality risk associated with heavy smoking (two packs per day).

1:02:02Mark Hyman (host)overstatedmoderate

Having type 2 diabetes makes a person's risk of developing dementia four times higher.

"For example, your risk of dementia is four times higher if you have type 2 diabetes." (said at 1:02:02)

Type 2 diabetes is a well-established risk factor for cognitive decline and dementia, but the magnitude of risk increase is substantially smaller than claimed. Systematic reviews and meta-analyses of prospective cohort studies show that individuals with diabetes have approximately a 1.4- to 1.7-fold higher risk (a 40% to 73% relative increase) of developing all-cause dementia compared to those without diabetes (with relative risks around 1.39 for Alzheimer's disease and 2.38 for vascular dementia), well below the claimed fourfold (400%) increase.

1:02:10Mark Hyman (host)overstatedmoderate

Insulin resistance is an underlying driver of common cancers, including breast, pancreatic, ovarian, and colon cancer.

"Your risk of cancer is—many of the most common cancers: breast, pancreatic, ovarian cancer, colon cancer, pancreatic cancer. These are diseases of insulin resistance." (said at 1:02:10)

Epidemiological cohorts and meta-analyses demonstrate that insulin resistance and associated hyperinsulinemia are significant risk factors and potential tumor promoters for several malignancies, particularly pancreatic, colorectal, and postmenopausal breast cancers (typically associated with relative risks between 1.1 and 2.5). However, describing these cancers categorically as "diseases of insulin resistance" overstates the relationship. Cancer is a multifactorial disease driven primarily by somatic genetic and epigenetic alterations, and for certain cancers mentioned (such as ovarian cancer), large cohort studies demonstrate little to no direct mediating effect of insulin resistance.

1:02:40Mark Hyman (host)overstatedlow

Clinical studies using ketogenic diets in stage 4 pancreatic cancer patients have demonstrated cancer remissions.

"They're doing, you know, studies of stage 4 pancreatic cancer using ketogenic diets and seeing remissions in some of these patients, which is almost like heresy in medicine." (said at 1:02:40)

Clinical studies investigating ketogenic diets alongside standard chemotherapy in metastatic (stage 4) pancreatic ductal adenocarcinoma have shown feasibility, safety, and preliminary signals toward improved progression-free survival (PFS) or stable disease, but have not demonstrated cancer remissions (cures or complete tumor eradication). In a randomized phase II screening trial of 32 patients with metastatic pancreatic cancer receiving chemotherapy (gemcitabine, nab-paclitaxel, cisplatin) with or without a medically supervised ketogenic diet (MSKD), median PFS was 8.5 months with MSKD versus 6.2 months without MSKD (HR 0.53, p = .096), and overall survival was 13.7 versus 10.2 months (HR 0.58, p = .107), representing disease stabilization and modest survival trends rather than remissions. Describing these early-phase findings as "seeing remissions in some of these patients" overstates the clinical outcomes observed.

1:03:30Mark Hyman (host)overstatedhigh

The International Classification of Diseases, 10th Revision (ICD-10) contains 155,000 disease categories.

"For example, the diagnostic manual for diseases is called ICD-10, the International Classification of Diseases, Volume 10 or Version 10, and there's 155,000 diseases." (said at 1:03:30)

The claim overstates the number of disease categories in ICD-10. The core International Classification of Diseases, 10th Revision (ICD-10) published by WHO contains roughly 14,000 diagnostic categories. Even the expanded U.S. clinical modification for diagnosis codes (ICD-10-CM) contains approximately 68,000 to 80,000 diagnosis codes. The figure of ~155,000 represents the total number of codes when combining both ICD-10-CM diagnosis codes and ICD-10-PCS inpatient medical/surgical procedure codes, conflating medical procedures with distinct disease categories.

1:09:03Mark Hyman (host)overstatedlow

Glyphosate exposure causes lymphoma.

"Monsanto which makes glyphosate, which causes lymphoma, and then they make the drugs to treat the lymphoma." (said at 1:09:03)

The host claims that glyphosate "causes lymphoma." Systematic reviews and meta-analyses of observational epidemiological studies have found an association between heavy exposure to glyphosate-based herbicides and an increased risk of Non-Hodgkin lymphoma (meta-relative risks ranging from 1.30 to 1.41). However, stating definitively that glyphosate causes lymphoma overstates the scientific evidence, as observational studies show statistical associations rather than established direct causation, and findings across major cohorts and systematic reviews remain debated due to potential confounding, recall bias, and unmeasured pesticide co-exposures.

Unverified means no publication matching the claim was located; it does not prove the claim false. Spotted an error? See the corrections policy - disputes from the people quoted are prioritized.