Specific causation causes some courts to become costive, and sometimes, courts overuse so-called differential etiology as a laxative. The phrase “differential etiology” is an analogy to differential diagnosis, the reasoning process by which clinicians assess the identity of a disease or disorder. Differential etiology, like laxatives, can be overused and misused.
Last month, the Ninth…

A few weeks ago, four scientists published what they called a “navigation guide” systematic review on acetaminophen use and autism.[1] The last named author, Andrea A. Baccarelli, is an environmental epidemiologist, who has been an expert witness for plaintiffs’ counsel in lawsuits against the manufacturers and sellers of acetaminophen. Another author, Beate Ritz,…

Back in September 2023, the American Association for the Advancement of Science (AAAS), with its Center for Scientific Responsibility and Justice, sponsored a two day meeting on Scientific Evidence and the Courts. If there were notices for this conference, I missed them. The meeting presentations are now available online. Judging from camera views of the…

The United States is in political crisis as its citizens are frogmarched into an authoritarian, illiberal, and unlawful dystopia. The seriousness of the political situation makes it difficult to focus on scientific issues, but as with past fascist regimes in history, the crisis is not limited to any one sphere of life in the United…

There is plenty of room for a healthy science-based environmentalism, but finding the room in the American political house has always been difficult. The current administration brings together the horseshoe wacko excesses of the worm-brained Robert Kennedy, Jr., and the crony capitalism of Felonious Trump. In this toxic, post-truth milieu, environmental groups such as Sierra…

Victor Elliot Schwartz died late last month. His passing was marked with several obituaries, from his colleagues, friends, and family, which marked his many achievements.[1] At the defense bar, Victor was truly a thought leader and tort scholar, as well as an advocate for sensible reform. Victor’s work had tremendous influence, although sadly, because…

Back in November 2024, I posted that the fourth edition of the Reference Manual on Scientific Evidence was completed, and that its publication was imminent. I based my prediction upon the National Academies’ website that reported that the project had been completed. Alas, when no Manual was forth coming, I checked back, and the project…