Dr. Don and Professor Ben talk about the risks of drinking a cup of coffee into which a drop of water from an awning has fallen. Dr. Don - not risky ?? Professor Ben - not risky ?? A global review of the microbiological quality and potential health risks associated with roof-harvested rainwater tanks | npj Clean Water 562. Using Graywater or Rainwater in a Bidet — Risky or Not? Microbiological Quality of Roof‐Harvested Rainwater and Health Risks: A Review - Ahmed - 2011 - Journal of Environmental Quality - Wiley Online Library Big Yellow Taxi - Wikipedia Raised on Robbery - Wikipedia Trans Canada Highwaymen - Trans Canada Highwaymen New Album: Some Guys - Jonathan Coulton