Index/Organizations/Science-Based Medicine

Science-Based Medicine

Website covering issues in science and medicine, focusing on quackery

Fact-Checks

34 results
Dec 12, 2025
Most Viewed

What major consumer watchdogs have investigated Dr. Steven Gundry’s supplement claims?

Major independent consumer and watchdog organizations cited in available reporting that have examined Dr. Steven Gundry’s claims or products include Media Bias/Fact Check, Science-Based Medicine, Cons...

Nov 28, 2025
Most Viewed

Has Dr. Gundry faced disciplinary action, lawsuits, or professional controversies?

Available reporting shows Dr. Steven Gundry is a polarizing figure: he has not been widely reported as losing his medical license or as the subject of a specific public disciplinary order in the docum...

Dec 13, 2025
Most Viewed

What treatments or medications has Trump publicly said he received after his 2020 COVID-19 infection?

Donald Trump publicly said he received the steroid dexamethasone, the antiviral remdesivir and the experimental antibody cocktail REGN‑COV2 (casirivimab‑imdevimab) during his October 2020 COVID‑19 ill...

Nov 30, 2025

Is the cure for tinnitus that Dr Oz promotes called Keryleaf a scam

Claims that a Dr. Oz‑promoted tinnitus “cure” called Keryleaf is legitimate are not supported by the sources provided; multiple investigations of similar tinnitus products show the frequent use of fab...

Dec 2, 2025

What controversies or criticisms exist about Dr. Gundry's medical credentials and dietary claims?

Dr. Steven Gundry is a former cardiothoracic surgeon who now markets a lectin-avoidance diet and supplements; critics say his dietary claims lack robust scientific backing and that his commercial acti...

Nov 19, 2025

Has Dr Steven Gundry faced FDA warnings or lawsuits over his products?

Available reporting shows Dr. Steven R. Gundry has been the subject of regulatory scrutiny over a 2021 conference abstract (American Heart Association expression of concern) and has faced at least one...

Nov 15, 2025

Pasteur denounced germ theory on his death bed

There is widespread repetition of a claim that Louis Pasteur recanted germ theory on his deathbed, saying variations of “Bernard was right — the microbe is nothing, the terrain is everything.” Multipl...

Dec 7, 2025

What is David E. Martin's professional background and qualifications to make vaccine claims?

David E. Martin is presented in sources as a businessman, patent analyst and founder/CEO of M·CAM with experience advising governments and financial institutions . Other sources describe him as a fina...

Nov 20, 2025

is the wuhan lab leak now the accepted source of covid 19

There is no single, universally accepted conclusion that the SARS‑CoV‑2 pandemic definitively began with a laboratory leak; major health bodies and scientific reviews continue to treat both zoonotic s...

Nov 24, 2025

Have large-scale studies found any link between COVID-19 vaccines and increased cancer risk?

Large, reputable post‑marketing and cohort studies have not established a causal link between COVID‑19 vaccination and a population‑level increase in cancer; recent claims that vaccines "cause" cancer...

Dec 4, 2025

Does the Covid 19 vaccine increase cancer risk?

Recent reporting shows conflicting signals: large retrospective cohort studies from South Korea and Italy report short-term associations between COVID-19 vaccination and higher diagnosis rates for sev...

Nov 19, 2025

Is Dr. Steven Gundry's lectin theory backed by scientific studies?

Dr. Steven Gundry’s lectin theory — that dietary lectins are a primary cause of inflammation, autoimmunity and chronic disease and therefore should be largely eliminated — is not supported by robust, ...

Dec 8, 2025

What specific tests does Dr. Hyman recommend to assess toxin burden?

Dr. Mark Hyman recommends a variety of laboratory approaches to assess “toxin burden,” including urine challenge (chelation) tests for heavy metals, targeted blood tests (e.g., whole‑blood mercury), a...

Feb 1, 2026

Is Brownstone Institute impartial?

is not neutral in practice: it is a libertarian, right-leaning think tank with clear intellectual and personnel ties to and an editorial record that multiple media-bias trackers classify as “Right” or...

Dec 19, 2025

What are Dr. Steven Gundry's main dietary principles and how do they differ from mainstream nutrition advice?

Dr. Steven Gundry’s dietary approach centers on the assertion that lectins — a class of proteins in many plants — drive inflammation, weight gain and chronic disease, and therefore should be avoided o...

Dec 16, 2025

What foods and ingredients does Dr. Steven Gundry specifically recommend avoiding and why?

Dr. Steven Gundry’s central prescription is to avoid foods high in lectins—particularly legumes, many whole grains, nightshade vegetables, and A1 dairy—because he says lectins cause inflammation, inte...

Dec 2, 2025

Which scientific studies support or contradict Dr. Gundry's lectin-free diet recommendations?

Dr. Steven Gundry’s lectin‑free recommendations rest mainly on case reports and his own clinic’s program; Gundry’s abstract claiming remission of autoimmune disease after a lectin‑limited diet is self...

Nov 21, 2025

what are most common concpiracy theories?

Conspiracy theories are broadly defined as beliefs that two or more actors secretly coordinated to produce a public outcome, and they cluster around predictable themes such as politics, health, scienc...

Jan 26, 2026

How does the scientific literature evaluate lectins and the health claims in 'The Plant Paradox'?

’s argues that dietary lectins are a primary driver of inflammation, and weight gain and thus should be broadly avoided; that central claim is not supported by robust, peer‑reviewed human evidence and...

Jan 22, 2026

What peer-reviewed critiques or rebuttals exist of Gundry’s 2017 claims about lectins and ‘leaky gut’?

Peer-reviewed rebuttals and expert reviews of 2017 overwhelmingly find his central thesis unsupported by rigorous evidence, pointing to a lack of controlled clinical trials, misrepresentation of the l...