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Canadian Medical Association Journal

Scientific journal

Fact-Checks

5 results
Nov 18, 2025
Most Viewed

How has Dr. Oz's medical credibility been evaluated by peers and fact-checkers over time?

Dr. Mehmet Oz’s medical credibility has been repeatedly questioned by peers, academic reviewers, and fact-checkers: a 2014 analysis found less than one‑third of claims on The Dr. Oz Show were supporte...

Jan 7, 2026

Have ICE purchases of armored vehicles or tactical drones increased since 2020?

Public reporting documents clear, high-profile ICE acquisitions of armored vehicles in 2025 and an expanding toolkit of surveillance and counterdrone-related technologies announced by advocates in 202...

Jan 4, 2026

Which U.S. Gulf Coast refineries have invested in coker or hydrocracker projects since 2015, and how did that change their crude slates?

Valero’s Port Arthur complex and several Motiva/Convent-era Gulf Coast refineries are documented examples of sites that installed hydrocracking or coking capacity as part of multi‑billion–dollar expan...

Dec 7, 2025

How do rates of myocarditis and pericarditis compare between mRNA vaccines and the J&J vaccine long term?

Population and surveillance studies show myocarditis and pericarditis have been observed more often after mRNA COVID-19 vaccines than background levels—especially in males aged ~12–29 and most commonl...

Dec 7, 2025

How do myocarditis rates after Pfizer and Moderna vary by dose number and recipient demographics?

Myocarditis after mRNA COVID-19 vaccination is rare overall but concentrated in younger males and is most commonly reported after the second dose; several large studies and regulators show higher rate...