723. Occasionally Eating Roof Icicles

Dr. Don and Professor Ben talk about the risks from occasionally
eating icicles off your roof.


Dr. Don - not risky
Professor Ben - not risky


What Are Roof Shingles? (2025) | Today’s Homeowner

Quality of roof-harvested rainwater – Comparison of different
roofing materials - ScienceDirect

A global review of the microbiological quality and potential
health risks associated with roof-harvested rainwater tanks | npj
Clean Water

Microbiological Quality of Roof‐Harvested Rainwater and
Health Risks: A Review - Ahmed - 2011 - Journal of Environmental
Quality - Wiley Online Library

An examination of the microbial community and occurrence of
potential human pathogens in rainwater harvested from different
roofing materials - ScienceDirect

ChatGPT on icicles

Meteorologist Explains Why You Should Never Eat Icicles, No
Matter How Tempting They Look | IFLScience