Risky or Not?

A short podcast about everyday risks from germs

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DALL·E image text: A glass bowl of overnight oats sits on a dark countertop, glowing ominously with green light. Wisps of toxic-looking green mist rise from the oats, surrounded by biohazard symbols, creating an eerie, dangerous atmosphere that hints at bacterial contamination.

766. Room Temperature Overnight Oats

May 02, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating overnight oats made a room temperature

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • oats search on Risky or Not?
  • Overnight Oats Recipe - How to Make Overnight Oats
  • The Pioneer Woman Unnecessarily Sends a Terrible Message : r/foodnetwork
  • The Truth About Overnight Oats - My Longevity Kitchen
  • Spore germination - ScienceDirect
  • Bacteria of Bacillus cereus group in cereals at retail - Polish Journal of Food and Nutrition Sciences - Tom 59, Numer 1 (2009) - AGRO - Yadda
  • Potential of selected infant food formulas for production of Bacillus cereus emetic toxin, cereulide - ScienceDirect
  • Detection of Emetic Bacillus cereus from Ready-to-eat Foods in Markets and its Production of Cereulide under Simulated Conditions -Journal of the FoodService Safety | Korea Science
  • Bacterial Pathogens and Indicators in Oats - April 1, 2018 to March 31, 2020 - inspection.canada.ca
  • Oats: characteristics and quality requirements - ScienceDirect
May 02, 2025 /Don Schaffner
Bacillus cereus, Oats, Time temperature control for safety food

A square photo shows a crusty spoon resting in a cocoa powder container. The spoon is stained with dried hot chocolate mix and milk. Nearby, a mug of hot chocolate sits on a textured surface, capturing a cozy, slightly messy moment in making the drink.

754. Reusing a Hot Chocolate Milk Spoon

April 04, 2025 by Don Schaffner

The image shows a used spoon crusted with dried hot chocolate mix and milk, sitting inside a container of cocoa powder. It looks messy and realistic, as if it was just used to stir chocolate milk and then carelessly returned to the container. A nearby glass of chocolate milk completes the scene.

Dr. Don - not risky 👍🏼
Professor Ben - not risky 👍🏼

Dr. Don and Professor Ben talk about the risks from reusing a hot chocolate milk spoon.

  • Eat or Toss? Is it OK to eat?
  • Time to B. cereus about hot chocolate - PMC
  • Estimation of human dose of staphylococcal enterotoxin A from a large outbreak of staphylococcal food poisoning involving chocolate milk - ScienceDirect
  • Understanding and Controlling Microbiological Contamination of Beverage Dispensers in University Foodservice Operations
  • Profiling Bacillus cereus populations in a traditional style, hot-drinks vending machine and vended hot chocolate drink using polymerase chain reaction (PCR) and random amplified polymorphic DNA (RAPD) techniques - ScienceDirect
April 04, 2025 /Don Schaffner
Milk, Chocolate, Bacillus cereus, Staphylococcus aureus

The image shows a professor in a lab coat and glasses, using a tip-sensitive digital thermometer to measure the temperature at the center of a container of vegetarian chili. The chili is on a refrigerator shelf in a home kitchen, with the fridge open, revealing various food items.

732. Don's Slow Cooling Veggie Chili

February 12, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of slow cooling vegetarian chili.

Dr. Don - not risky 👍🏼
Professor Ben - not risky 👍🏼

  • FSIS Stabilization Guideline for Meat and Poultry Products (Revised Appendix B) December, 2021
  • Cooling Uncovered Foods at a Depth of ∼5.1 cm (2 in.) or Less Poses Little Risk of Pathogen Growth - ScienceDirect
  • FDA Food Code | FDA
  • Cooling Rates of Chili Using Refrigerator, Blast Chiller, and Chill Stick Cooling Methods


February 12, 2025 /Don Schaffner
Cooling, Clostridium perfringens, Bacillus cereus

DALL·E - A large, open refrigerator filled with pumpkin spice flavored coffee creamers. Some of the coffee creamers are slightly oozing a small amount of orange liquid.

683. Pastor Pinkston's Putrid Pumpkin Products

October 21, 2024 by Don Schaffner

Dr. Don and Professor Ben talk about the risks posed by clumpy pumpkin spice creamer stored in an overfull church refrigerator.

Dr. Don - risky ☣️
Professor Ben - not risky 👍🏼

  • 423. Pastor Pinkston's Plentiful Pork Products — Risky or Not?
  • If you pour cream in your coffee and it's lumpy like cottage cheese but it smells ok, is it bad or can you drink it? - Quora
  • boor milk spoiklage - Google Scholar
  • Food Spoilage Microorganisms - Google Books
  • Psychrotolerant spore-former growth characterization for the development of a dairy spoilage predictive model - ScienceDirect
  • Short communication: Bacterial ecology of high-temperature, short-time pasteurized milk processed in the United States - ScienceDirect
  • Gene detection and toxin production evaluation of hemolysin BL of Bacillus cereus isolated from milk and dairy products marketed in Brazil - PMC
  • A Study To Assess the Numbers and Prevalence of Bacillus cereus and Its Toxins in Pasteurized Fluid Milk - PubMed
  • Clouds in My Coffee - Wikipedia
  • Acids in brewed coffees: Chemical composition and sensory threshold - ScienceDirect
  • Death Wish Coffee's cold brew recalled from shelves (botulism risk) : r/Coffee
October 21, 2024 /Don Schaffner
Creamer, Bacillus cereus, Spoilage

DALL·E - An elderly person with gray hair, wearing glasses, sitting alone at a kitchen table. They are eating a bowl of macaroni and cheese.

678. Immunocompromised Person Eating Mac and Cheese Left at Room Temperature for Two Hours

October 09, 2024 by Don Schaffner

Dr. Don and Professor Ben talk about the risks faced by an immunocompromised person eating mac and cheese left at room temperature for two hours.

Dr. Don - not risky 👍🏼
Professor Ben - not risky 👍🏼

  • Ed Koch - Wikipedia
  • In Eric Adams Case, Prosecutors Warn of Additional Charges for Him and Defendants - The New York Times
  • Staphylococcus aureus Infection - StatPearls - NCBI Bookshelf
  • Bacillus Cereus - StatPearls - NCBI Bookshelf
  • time a spublic health control - Google Search
  • Cooling Uncovered Foods at a Depth of ∼5.1 cm (2 in.) or Less Poses Little Risk of Pathogen Growth - ScienceDirect
October 09, 2024 /Don Schaffner
Immunocompromised, Pasta, Bacillus cereus, Staphylococcus aureus

DALL·E Image of boiled Yukon gold potatoes in a clear glass bowl, teeming with colorful, cartoon-style bacteria.

590. Kejni's Extra-Crispy Roast Potato Recipe

March 18, 2024 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of leaving boiled chunks of Yukon gold potatoes at room temperature overnight.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • J. Kenji López-Alt
  • James Neal (ice hockey) - Wikipedia
  • Last night I followed the beginning of my extra-crispy roast potato recipe (I boiled chunks of Yukon golds in water with salt and a pinch… | Instagram
  • Large Outbreak of Botulism: The Hazardous Baked Potato | The Journal of Infectious Diseases | Oxford Academic
  • Restaurant-Associated Type a Botulism: Transmission by Potato Salad | American Journal of Epidemiology | Oxford Academic
  • Combined effect of water activity and pH on inhibition of toxin production by Clostridium botulinum in cooked, vacuum-packed potatoes | Applied and Environmental Microbiology
  • Presence and Significance of Bacillus cereus in Dehydrated Potato Products - ScienceDirect
  • Influence of temperature shifts on survival, growth, and toxin production by psychrotrophic and mesophilic strains of Bacillus cereus in potatoes and chicken gravy - ScienceDirect
  • Presence and Growth of Bacillus cereus in Dehydrated Potato Flakes and Hot-Held, Ready-to-Eat Potato Products Purchased in New Zealand - ScienceDirect
  • 154. Michael Scott Bacon Method — Risky or Not?
March 18, 2024 /Don Schaffner
Potatoes, Botulism, Bacillus cereus

458. Pasta in the Woods in New Jersey

May 15, 2023 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating pasta found in the woods in New Jersey.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • A New Jersey Mystery: Who Dumped Hundreds of Pounds of Pasta, and Why? - The New York Times
  • New Jersey neighbors find source of mystery pasta piles - YouTube
  • Pine Barrens | VisitNJ.org
  • NJ’s Pasta-Gate Solved? - New Jersey Digest
  • Pine Barrens (The Sopranos) - Wikipedia)
  • Steve Buscemi - Wikipedia
  • Why Pine Barrens Is the Best Sopranos Episode
  • Fatal Family Outbreak of Bacillus cereus-Associated Food Poisoning - PMC
  • Sudden Death of a Young Adult Associated with Bacillus cereus Food Poisoning - PMC
May 15, 2023 /Don Schaffner
Pasta, Staphylococcus aureus, Bacillus cereus

408. Found Fries

January 18, 2023 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating french fries found in a car long after they were fresh.

Dr. Don - not risky 👍🏼
Professor Ben - not risky 👍🏼

  • Growth of Bacillus cereus on Oil‐blanched Potato Strips for “Home‐style” French Fries - Doan - 1999 - Journal of Food Science - Wiley Online Library
  • McDonald's burger and fries show no sign of rot after 6 years
  • Limpness of Fried Potato Slabs During Post‐Frying Period - Miranda - 2005 - Journal of Food Process Engineering - Wiley Online Library
  • Growth and Production of Enterotoxin A by Staphylococcus aureus on “Home‐style” French Fries - Doan - 1999 - Journal of Food Science - Wiley Online Library
  • Clazzio install - S2KI Honda S2000 Forums
January 18, 2023 /Don Schaffner
French fries, Bacillus cereus, Staphylococcus aureus, Time temperature control for safety

347. Soaking Uncooked Rice Overnight

August 29, 2022 by Don Schaffner

Don and Professor Ben talk about the risks of soaking uncooked rice overnight.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • The effects of heat activation on Bacillus spore germination, with nutrients or under high pressure, with or without various germination proteins - PubMed
  • Can You Soak Rice Overnight? Helpful Tips & Answers
  • Foodborne Disease Outbreaks Caused by Bacillus cereus, Clostridium perfringens, and Staphylococcus aureus—United States, 1998–2008 | Clinical Infectious Diseases | Oxford Academic
  • ComBase
  • CB Premium | Bacillus cereus on cooked rice
August 29, 2022 /Don Schaffner
Rice, Bacillus cereus, Time temperature control for safety

342. Bedroom Pasta

August 17, 2022 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of drying egg noodles in your bedroom.

Dr. Don - not risky 👍🏼
Professor Ben - not risky 👍🏼

  • Ellen Shumaker | Agricultural and Human Sciences
  • Ellen Thomas Shumaker, PhD | LinkedIn
  • 327. Chicken Soup Unrefrigerated for More Than 6 Hours — Risky or Not?
  • Washington Township, Clarion County, Pennsylvania - Wikipedia
  • Egg Noodles Recipe | Allrecipes
  • Temperature Dependent Growth Characteristics and a Predictive Mathematical Model of Bacillus Cereus in Wet Noodles - LEE - 2011 - Journal of Food Safety - Wiley Online Library
  • Making Homemade Noodles Safely • AnswerLine • Iowa State University Extension and Outreach
  • Microbiological Quality of Raw Dried Pasta from the German Market, with Special Emphasis on Cronobacter Species - PubMed
  • Critical conditions accelerating the deterioration of fresh noodles: A study on temperature, pH, water content, and water activity - Li - 2017 - Journal of Food Processing and Preservation - Wiley Online Library
August 17, 2022 /Don Schaffner
Noodles, Pasta, Bacillus cereus, Staphylococcus aureus
184.png

184. Cooked Tapioca at Room Temperature Overnight

August 14, 2021 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of cooked tapioca left at room temperature overnight.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Jennifer on Twitter: Instruction for (many brands of) tapioca pearls say after boiling for 20 mins, to remove the pot from the stove and let it rest on the counter overnight and then bring to a boil again in the morning Is this unsafe?
  • Watch Jensplaining | Prime Video
  • Tapioca - Wikipedia
  • How to Store Tapioca Pearls (Boba) - Cooked & Uncooked - HighKitchenIQ
  • Moisture sorption isotherms of fufu and tapioca at different temperatures - ScienceDirect
  • Survival and Growth of Foodborne Pathogens during Cooking and Storage of Oriental-Style Rice Cakes | Journal of Food Protection
  • Small Pearl Tapioca :: Bob's Red Mill Natural Foods
  • How To Cook White Tapioca Pearls (Step by Step) - Hungry Huy
August 14, 2021 /Don Schaffner
Tapioca, Bacillus cereus, Room temperature
104.png

104. Spagetti Nasal Flossing

February 08, 2021 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of flossing your nose with spagetti.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Distinguishing the dominant species of pathogen in maxillary sinusitis by sequencing DNA dataset analysis - PubMed
  • Predictive Model for Growth of Bacillus cereus at Temperatures Applicable to Cooling of Cooked Pasta
  • Biochemical and toxic diversity of Bacillus cereus in a pasta and meat dish associated with a food-poisoning case
  • Spaghetti Nasal Flossing - YouTube
February 08, 2021 /Don Schaffner
Pasta, Nose, Flossing, Sinus Infection, Bacillus cereus
colander.png

68. Colander Rinsing

November 16, 2020 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of only rinsing a colander.

Dr. Don - not risky 👍🏼

Professor Ben - not risky 👍🏼

  • Neuro Fuzzy® Rice Cooker & Warmer NS-ZCC10/18 | Zojirushi.com
  • Predictive Model for Growth of Bacillus cereus at Temperatures Applicable to Cooling of Cooked Pasta - Juneja - 2019 - Journal of Food Science - Wiley Online Library
  • Bacillus cereus Biofilms—Same, Only Different
November 16, 2020 /Don Schaffner
Bacillus cereus, Colander, Rinsing
Bambi_400x400.jpg

48: John's Old Refrigerated Fried Rice

September 30, 2020 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating fried rice refrigerated for a long time.
Dr. Don - not risky 👍🏼
Professor Ben - not risky 👍🏼

  • john roderick on Twitter: "I just ate a bunch of fried rice "..."
  • Relationship Between the Heat Resistance of Spores and the Optimum and Maximum Growth Temperatures of Bacillus Species.
  • Food Standards Australia - Bacillus cereus
September 30, 2020 /Don Schaffner
Bacillus cereus, John Roderick, Fried rice

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