
Health Feedback
Verifying the credibility of claims related to medical, health and life sciences.
Latest reviews
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Inaccurate
Depression isn’t defined as having low serotonin, contrary to Gary Brecka claims in TikTok videos
Claim:
Depression is defined as “an inadequate supply of the neurotransmitter serotonin”; increasing serotonin in the gut increases serotonin in the brain, thus ending depression
Source: TikTok, Gary Brecka, 2023-09-30 -
Unsupported
Social media claims of urine therapy benefits not backed by scientific evidence
Claim:
Drinking urine or applying it to the body is beneficial for health; urea in urine is good for the skin
Source: TikTok, YouTube, KT The Arch Degree, Troy Casey, Daniel Pompa, 2025-05-07 -
Misleading
Czech data doesn’t show COVID-19 mRNA vaccines reduce fertility, contrary to John Campbell video
Claim:
Data from Czechia suggest COVID-19 mRNA vaccines reduce fertility
Source: Slay News, YouTube, Natural News, Lance D Johnson, Frank Bergman, Peter McCullough, John Campbell, 2025-05-11 -
Unsupported
Candace Owens repeats unsubstantiated claim about HPV vaccine causing infertility
Claim:
HPV vaccine Gardasil causes infertility
Source: X/Twitter, Candace Owens, 2025-05-09 -
Unsupported
No evidence for chiropractor Bryan Ardis’ claim that nicotine cures Parkinson’s and other diseases
Claim:
Nicotine cures Parkinson's disease, Alzheimer's disease, ulcerative colitis, and multiple sclerosis; nicotine is a treatment for autism
Source: Human Garage, TikTok, Bryan Ardis, 2025-03-10 -
Inaccurate
Journalist Alex Berenson misrepresents German study on COVID-19 mRNA vaccination
Claim:
“mRNA Covid jabs change genetic structures in ways linked to cancer and autoimmune disorders”
Source: Substack, Michael Nevradakis, Alex Berenson, 2025-03-31
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Insights
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Anti-vaccine claims about the Alexis Lorenze case mislead on vaccine risks
This report highlights the questionable rapidity with which Lorenze’s illness was attributed to vaccines by anti-vaccine activists. As a fuller examination of the available evidence shows, it is challenging to reliably establish vaccines as the sole cause of her condition.
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How fears of parasites drive viral claims for detoxes and cleanses
Removing parasites from the body is a recurring theme in health misinformation on social media. These posts misleadingly suggest that…
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Are claims linking recent U.S. trends in cancer diagnoses to COVID-19 vaccines plausible? A look at the available data
Since it takes several years to gather, verify, and consolidate cancer data at the national level, there’s no real-time way to monitor national cancer trends. Medical experts have also explained that there is no plausible mechanism or data that connect COVID-19 vaccines to cancer.