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