The Junk Science Playbook

The Machine That Sparks and Supports Mass Tort Litigation

Introduction and Executive Summary

Mass tort litigation is a sprawling, profit-driven enterprise—one that increasingly relies on manufactured science rather than legitimate scientific research. What appears to the public as a wave of alarming new health risks is often the product of a coordinated ecosystem of plaintiffs’ lawyers, litigation-friendly laboratories, advocacy groups, and quasi-academic organizations. Together, these actors generate studies that appear scientific but collapse under scrutiny, then amplify them through journals, media campaigns, and hired experts. The result is a powerful illusion: the appearance of scientific consensus where none exists.

This report exposes that machinery. It traces how questionable research is conceived, funded, published, and ultimately weaponized in courtrooms across the country. It shows how conflicts of interest are concealed, how flawed methodologies are repackaged as breakthroughs, and how journals with lax standards provide a veneer of legitimacy. It also documents how these tactics distort public understanding of risk, pressure companies into massive settlements, and undermine confidence in real science.

The stakes are not abstract. Junk science can reshape regulatory policy, drive products off the market, and mislead judges and juries tasked with evaluating complex scientific questions. As mass tort litigation expands—with the help of aggressive advertising and outside investors— the need for rigorous scrutiny has never been greater.

Key Findings

• A coordinated ecosystem manufactures scientific claims for litigation. Quasi-academic organizations, litigation-support laboratories, and agenda-driven nonprofits produce studies that conflict with mainstream science. These studies often rely on flawed methods, undisclosed conflicts of interest, or data manipulated to support predetermined conclusions.
• Open-access and pay-to-publish journals amplify weak or fraudulent research. The rapid growth of predatory journals—many lacking meaningful peer review—has created a pipeline for questionable studies to enter public discourse. Retractions have surged, yet these papers continue to influence litigation, media coverage, and regulatory debates.
• Advocacy groups and media outlets help transform weak science into public alarm. Organizations with strong ideological or financial incentives promote these studies to journalists, who often lack the time or expertise to evaluate scientific validity. Sensational headlines create public pressure and provide plaintiffs’ lawyers with powerful recruitment tools.
• Expert witnesses convert junk science into courtroom testimony. A small cadre of highly compensated experts routinely offer opinions unsupported by established science. Some courts have served as gatekeepers, subjecting scientific claims to proper scrutiny. Courts that fail to rigorously apply evidentiary standards, however, allow flawed theories to shape verdicts and drive settlements.
• Emerging areas—acetaminophen, vaccine safety, and climate change “attribution science”—show the playbook repeating. When existing science does not support a causation theory, litigation actors generate new studies and media coverage designed to fill the gap. These studies are then used to revive failing lawsuits, sway public opinion, and influence policymakers.