April 2021 Summary of NTP Cancer Hazard Conclusions Exposure Circumstances That Cause Circadian Disruption:Persistent Night Shift WorkCertain Lighting Conditions https://ntp.niehs.nih.gov/ntp/results/pubs/cancer_assessment/lanfinal20210400_508.pdf Selected images: NTP Review of Shift Work at Night, Light at Night, and Circadian Disruption Topic Overview Status: NTP cancer hazard assessments Conclusion(s): NTP concluded that (1) persistent night shift work can cause breast cancer in women … Continue reading April 2021-Monograph: NTP Cancer Hazard Assessment Report on Night Shift Work and Light at Night