TruaceTracing the truth around AITuesday, September 15, 2026
The Index

What the evidence says.What the public feels.

Ranks distinct AI gain and problem claims from the published record. Scores reward impact, independent source strength, scale, confidence, and recency.

1,419 results
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AI gains · 788

68
GainClimate· Stable· Evidence: Moderate (1 source)

Machine learning can map potentially toxic element concentrations from environmental covariates and produce exceedance-probability maps aligned with regulatory thresholds for soil-contamination management.

Published August 29, 2026, this peer-reviewed synthesis reviews 2020-2025 literature on machine learning for mapping potentially toxic elements in soils. It finds growing use of ML with environmental covariates but persistent use of spatially naive validation, limited interpretation, and incomplete uncertainty reporting.

Impact 30%49
Evidence 25%95
Scale 20%35
Confidence 15%87
Recency 10%97

Updated Aug 31, 2026 · TRV-2026-0932

68
GainHealth· Stable· Evidence: Moderate (1 source)

Unsupervised machine learning applied to bloodstream infections identifies reproducible clinical subphenotypes with different mortality, supporting bedside tools for rapid phenotype assignment and personalized antimicrobial therapy.

By August 2026, a review in Clinical Microbiology and Infection summarized evidence on using unsupervised machine learning to derive clinical subphenotypes of bloodstream infections. The strongest data were in Staphylococcus aureus bacteraemia, where latent class and cluster analyses identified distinct subgroups with different mortality across cohorts, with emerging work in ICU mixed-pathogen and transplant populations and early bedside calculators for phenotype assignment.

Impact 30%49
Evidence 25%95
Scale 20%35
Confidence 15%87
Recency 10%97

Updated Aug 30, 2026 · TRV-2026-0927

68
GainClimate· Stable· Evidence: Moderate (1 source)

An integrated source-pathway-receptor framework using XGBoost and SHAP improved differentiation of industrial versus agricultural PTE risks in farmland soils and supported targeted zoned control to avoid excessive remediation.

Researchers built an integrated risk index-machine learning framework based on source-pathway-receptor concepts to evaluate potentially toxic elements in farmland soils of a mining city, combining improved Nemerow index, potential ecological risk index, Monte Carlo health risk assessment, and XGBoost regression with SHAP interpretation.

Impact 30%49
Evidence 25%95
Scale 20%35
Confidence 15%87
Recency 10%97

Updated Aug 30, 2026 · TRV-2026-0926

68
GainHealth· Stable· Evidence: Moderate (1 source)

Using a machine learning model to measure CT body composition at L3 identified myosteatosis as an independent predictor of recurrence in stage II-III colon cancer.

Researchers applied a machine learning model called Mosamatic to routine CT staging scans from 615 patients with stage II-III colon cancer treated between 2015-2021 at one center to quantify skeletal muscle area, density, and fat. They found myosteatosis was more common in those who later recurred and was linked to worse recurrence-free survival at 1 and 5 years.

Impact 30%49
Evidence 25%95
Scale 20%35
Confidence 15%87
Recency 10%96

Updated Aug 28, 2026 · TRV-2026-0920

AI problems · 631

68
ProblemPolicy· Stable· Evidence: Moderate (1 source)

Learners using ChatGPT may develop dependence on the tool and exhibit metacognitive laziness that hinders self-regulation and deep engagement.

In a December 2024 randomized lab experiment, 117 university students completed a writing task with support from ChatGPT, a human expert, analytics tools, or no extra support. Researchers measured intrinsic motivation, self-regulated learning processes, and performance, finding no motivation differences but different process patterns and higher essay score gains for the ChatGPT group without higher knowledge gain or transfer.

Impact 30%49
Evidence 25%95
Scale 20%35
Confidence 15%87
Recency 10%90

Updated Jul 24, 2026 · TRV-2026-0548

68
ProblemEducation· Stable· Evidence: Moderate (1 source)

Generative AI integration in higher education threatens academic integrity and equity by undermining authenticity of student work and widening inequalities.

Published January 9 2025 in the British Journal of Biomedical Science, this peer-reviewed review examines how generative AI is being integrated into higher education, noting opportunities for personalised learning and innovative assessment alongside challenges to integrity and equity.

Impact 30%49
Evidence 25%95
Scale 20%35
Confidence 15%87
Recency 10%90

Updated Jul 24, 2026 · TRV-2026-0546

68
ProblemEducation· Rising· Evidence: Moderate (1 source)

Frequent AI tool usage was associated with reduced critical thinking abilities, mediated by increased cognitive offloading.

A mixed-method study of 666 participants examined how AI tool usage relates to critical thinking, with cognitive offloading as a mediating factor. By publication on Jan 3 2025, authors reported a significant negative correlation between frequent AI use and critical thinking abilities.

Impact 30%49
Evidence 25%95
Scale 20%35
Confidence 15%87
Recency 10%90

Updated Jul 24, 2026 · TRV-2026-0545

68
ProblemHealth· Stable· Evidence: Moderate (1 source)

Mainstream implementation of AI in healthcare is hindered by data security issues and budget and resource constraints.

This peer-reviewed review from January 2025 examined how AI technologies including robotics, machine learning, deep learning, and natural language processing are being applied in healthcare. Drawing on Web of Science literature from 2014-2024 and case studies such as Google Health and IBM Watson Health, it reported growth in publications and use in patient interaction, predictive analytics, and remote monitoring.

Impact 30%49
Evidence 25%95
Scale 20%35
Confidence 15%87
Recency 10%90

Updated Jul 24, 2026 · TRV-2026-0544

Recomputed live from the record · Sep 15, 2026, 10:10 PM