Risky or Not?

A short podcast about everyday risks from germs

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DALLยทE image text: A ceramic bowl overflows with ripe, red raspberries, sitting on a sunlit kitchen counter. Soft daylight filters through a nearby window, casting a warm, nostalgic glow. The slightly worn surfaces and muted tones of the background contrast with the vivid freshness of the berries, suggesting they were recently picked and forgotten.

811. Raspberries at Room Temperature for About 28 Hours

August 15, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of leaving raspberries at room temperature for about 28 hours.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

August 15, 2025 /Don Schaffner
Raspberries, Time temperature control for safety food

DALLยทE image text: A golden-crusted loaf of sliced white bread sits on a pastel blue countertop in a cheerful 1950s kitchen, surrounded by mint-green tiles, yellow curtains, and red accents, all bathed in soft daylight, creating a warm, nostalgic atmosphere.

810. White Bread

August 13, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from white bread.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Katie Swanson | LinkedIn
  • Evaluation and Definition of Potentially Hazardous Foods
  • Paul Anthony Hall Obituary - Visitation & Funeral Information
  • Merle Pierson | Food Science & Technology | Virginia Tech
  • group fitness instructors โ€” THE WEIGHT CLUB
  • Bacillus spore contamination associated with commercial bread manufacture - ScienceDirect
  • Contamination profiles and characterisation of Bacillus species in wheat bread and raw materials for bread production - ScienceDirect
  • Genetic diversity and involvement in bread spoilage of Bacillus strains isolated from flour and ropy bread | Letters in Applied Microbiology | Oxford Academic
  • Ropiness in Breadโ€”A Re-Emerging Spoilage Phenomenon - PMC
August 13, 2025 /Don Schaffner
Time temperature control for safety food, Bread

Six pieces of assorted sushi sit on a beige kitchen counter. The lighting is dim and moody, suggesting the sushi has been left out overnight. The rolls and nigiri look slightly dried, with a soft focus on the background showing tiled walls and part of a stainless steel utensil holder.

808. Sushi Left on the Counter Overnight

August 08, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating sushi left on the counter overnight.

Dr. Don - risky โ˜ฃ๏ธ
Professor Ben - risky โ˜ฃ๏ธ

  • sushi - Risky or Not?
  • 594. Expired Sushi in a Unplugged Refrigerator for 7 Hours โ€” Risky or Not?
  • overnight - Risky or Not?
  • Scombroid fish poisoning: Factors influencing the production of histamine in tuna supply chain. A review - ScienceDirect
  • Scombroid Fish Poisoning Associated with Tuna Steaks --- Louisiana and Tennessee, 2006
August 08, 2025 /Don Schaffner
Sushi, Time temperature control for safety food, Histamine

Instagram screenshot

805. Mamma Birding (Chewing Food for Other People)

August 01, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating food someone else has chewed and sent through the mail to you.

Dr. Don - risky โ˜ฃ๏ธ
Professor Ben - risky โ˜ฃ๏ธ

  • Instagram
  • yuck someone's yum - Wiktionary, the free dictionary
  • Nathan For You - Dumb Starbucks - Open for Business - YouTube
  • Dumb Starbucks - Wikipedia
  • What Happened To Stephanie Matto After 90 Day Fiancรฉ: Before The 90 Days Season 4?
  • Stephanie Matto - IMDb
August 01, 2025 /Don Schaffner
Cross-contamination, Chewing, Time temperature control for safety food

A man walks through a sunlit airport terminal holding a vintage suitcase that's popped open. A full wheel of Saint-Nectaire cheese is slipping out, partially exposed. He appears unaware, continuing forward casually. The scene blends travel routine with unexpected humor, set against a backdrop of windows and lounge seating.

803. Unpasteurized Suitcase Saint Nectaire Cheese

July 28, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of transporting unpasteurized Saint Nectaire Cheese from France to Canada

Dr. Don - risky โ˜ฃ๏ธ
Professor Ben - risky โ˜ฃ๏ธ

  • Saint Nectaire
  • River Cruises - European, Asian, Mississippi & Nile Cruises | Vikingยฎ
  • Home - Kinderdijk
  • Dunningโ€“Kruger effect - Wikipedia
  • 729. Eating Raw Milk Gouda Cheese in an Unregulated Brazilian Facility โ€” Risky or Not?
  • Escherichia coli O121 outbreak associated with raw milk Gouda-like cheese in British Columbia, Canada, 2018 - PMC
  • Enumeration of Escherichia coli O157 in Outbreak-Associated Gouda Cheese Made with Raw Milk - ScienceDirect
  • pH and aw Saint-Nectaire
July 28, 2025 /Don Schaffner
Cheese, Raw milk, pH, Water activity, Time temperature control for safety food

An open white cooler sits on the ground, filled with raw chicken pieces. A digital thermometer inserted into one piece reads 67ยฐF. Thereโ€™s no ice inside, and the cooler appears stained and weathered, suggesting itโ€™s been sitting outdoors for a while during a camping trip.

796. Raw Chicken That Is at 67 ยฐF After More Than 12 Hours

July 11, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating properly cooked chicken that warmed up to 67 ยฐF after about 12 hours prior to cooking.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • ComBase
  • FSIS Cooking Guideline for Meat and Poultry Products (Revised Appendix A) December, 2021
  • Risk Assessment Predicts Most of the Salmonellosis Risk in Raw Chicken Parts is Concentrated in Those Few Products with High Levels of High-Virulence Serotypes of Salmonella - ScienceDirect
  • Dr. Matthew Stasiewicz โ€“ Stasiewicz Food Safety Laboratory
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July 11, 2025 /Don Schaffner
Chicken, Time temperature control for safety food, Camping

A fried egg sizzles in a cast iron skillet filled with dark bacon or sausage grease. The yolk is vibrant and intact, surrounded by bubbly whites. In the background, a small jar of congealed grease sits on a beige cloth, suggesting long-term room temperature storage.

795. Cooking in Bacon and/or Sausage Grease Stored Room Temperature for Up to 30 Days

July 09, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from cooking in bacon and/or sausage grease stored room temperature for up to 30 days.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Blackshore (TV Series 2024โ€“ ) - IMDb
  • Current Food Safety Issues of Home-prepared Vegetables and Herbs Stored in Oil
  • Risky or Not?
  • Bacon Method
  • The 100 Best Movies of the 21st Century - The New York Times
  • Apple Music 100 Best Albums
July 09, 2025 /Don Schaffner
Bacon, Sausage, Grease, Time temperature control for safety food

A hotel breakfast buffet features a large stainless steel vat filled with lumpy oatmeal. A sign above reads โ€œCOMMUNITY VAT OF OATMEAL MADE EARLIER THAT DAY.โ€ Surrounding the vat are stacked plates, bagels in a wire rack, glass cups, and coffee dispensers, creating a utilitarian yet oddly inviting scene.

794. Cold-Ish, Prepared Oatmeal From a Community Vat Made Earlier That Day

July 07, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks eating cold-ish, prepared oatmeal from a community vat made earlier that day.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Tears in rain monologue - Wikipedia
  • 766. Room Temperature Overnight Oats โ€” Risky or Not?
  • Bacterial Pathogens and Indicators in Oats - April 1, 2018 to March 31, 2020 - inspection.canada.ca
  • Marriott Internationalโ€™s World-Class Recipe for Safe, Great Foods | Food Safety
July 07, 2025 /Don Schaffner
Oatmeal, Time temperature control for safety food, Temperature

A square image shows an opened glass jar of mayonnaise sitting on a wooden pantry shelf. The mayo appears discolored and crusty around the rim, suggesting spoilage. The dim lighting and aged wood add to the sense of neglect and food safety concern.

787. Mayonnaise From a Recently Opened Jar Kept in a Cabinet Less Than a Week

June 20, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from a jar of mayonnaise that was opened and then accidentally left at room temperature for less than a week

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Microbiological Safety of Mayonnaise, Salad Dressings, and Sauces Produced in the United States: A Review - ScienceDirect
  • Review: Fate of pathogens in home-made mayonnaise and related products - ScienceDirect
  • An Assessment of Escherichia coli O157:H7 Contamination Risks in Commercial Mayonnaise from Pasteurized Eggs and Environmental Sources, and Behavior in Low-pH Dressings - ScienceDirect
  • A Review of Temperature, pH, and Other Factors that Influence the Survival of Salmonella in Mayonnaise and Other Raw Egg Products
  • Models for the Inactivation of Foodborne Pathogens in Salad Dressing from Challenge Studies - ScienceDirect
  • Mayonnaise - an overview | ScienceDirect Topics
  • Independent Writer, Speaker, and Broadcaster - Merlin Mann


June 20, 2025 /Don Schaffner
Mayonnaise, Time temperature control for safety food

A clear glass holds partially melted ice water with a single penny resting atop the remaining ice. The ice forms a cloudy disk floating above the water line. The background is a neutral surface, emphasizing the simple, almost scientific feel of the composition.

775. Coin in Cup for Freezer Safety After Power Outages

May 23, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from using the coin in cup for freezer safety tip after power outages.

Dr. Don - risky โ˜ฃ๏ธ
Professor Ben - risky โ˜ฃ๏ธ

  • Food Safety After a Storm | N.C. Cooperative Extension
  • Does a Coin in a Cup of Ice Accurately Tell You If Your Freezer Lost Power? | Snopes.com
  • Why Are People Putting A Cup Of Ice With A Coin On Top In Their Freezer?
  • Temperature & Humidity | Lascar Electronics
  • Amazon.com: tempi.fi Wireless Temperature and Humidity Sensor - Developed in The USA - 24/7 Data Logger with Alarm โ€“ Bluetooth Smart Thermometer and Hygrometer - Bluetooth Only - Not WiFi : Industrial & Scientific


May 23, 2025 /Don Schaffner
Freezer, Time temperature control for safety food, Power outage

DALLยทE 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 โ˜ฃ๏ธ
Professor Ben - risky โ˜ฃ๏ธ

  • 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

This is a screen capture from the actual TikTok video.

759. Big Open Jar of Canned Peaches at Room Temperature

April 16, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating peaches from big open jar of canned peaches kept at room temperature.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Conference for Food Protection
  • #peachlady #peaches @Costco Wholesale | peach jar lady | TikTok
  • Zalea Peaches. Any one have experience with them? : r/Costco
  • McCullough recalls decades of food science work upon retirement from UGA-Griffin | University of Georgia Griffin Campus
  • Pathogen Modeling Program (PMP) Online
  • Further Studies on Development of Clostridium botulinum in Refrigerated Foods.
  • Clemson pH Values of Common Foods and Ingredients
  • Pruno - Wikipedia
  • Peaches En Regalia - YouTube
  • The Presidents of the United States of America โ€“ Peaches Lyrics | Genius Lyrics
April 16, 2025 /Don Schaffner
Time temperature control for safety food, Peaches

A green juice bottle sits on a car seat, partially frozen with visible ice crystals. Frost covers the car windows, and condensation clings to the bottle. The early morning light casts a cold, bluish hue, emphasizing the chill of a winter night spent inside the vehicle.

751. Leaving Green Juice in the Car Overnight in the Winter

March 28, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from consuming Green Juice left in the car overnight in the winter.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Green Goodnessยฎ - Bolthouse Farms
  • FAQs - Bolthouse Farms
  • Botulism Associated with Commercial Carrot Juice --- Georgia and Florida, September 2006
  • 100% Carrot - Bolthouse Farms
March 28, 2025 /Don Schaffner
Time temperature control for safety food, Juice, Pasteurization

A festive kitchen decorated for St. Patrick's Day features green streamers, shamrocks, and themed treats. In contrast, a shopping bag with a forgotten package of corned beef and bread sits quietly on the counter, slightly tucked away, hinting at a small oversight amid the celebration.

750. Corned Beef Left Out for a Couple of Hours

March 26, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating corned beef left out for a couple of hours.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • What is the term for a 750th anniversary in The AnswerBank: Phrases & Sayings
  • Tony Hawk - Wikipedia
  • LUCKY CHARMS - 60s 70s 80s 90s Commercials Compilation - YouTube
  • Corned beef - Wikipedia
  • No such thing as 'uncured' corned beef, Penn State meat expert says | Penn State University
  • Curing (food preservation) - Wikipedia
March 26, 2025 /Don Schaffner
Time temperature control for safety food, Corned beef, Sodium Nitrate

Golden cookie-style lemon bars with glistening lemon curd sit on a rustic surface. Their edges are slightly dry and cracked, showing signs of age, yet they still look rich and tempting. The vibrant yellow curd contrasts beautifully with the soft, crumbly base, inviting a bite despite their two-week-old appearance.

749. Two Week Old Cookie Style Lemon Bars

March 24, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating two week old cookie style lemon bars.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Easy Lemon Bar Cookies - Cambrea Bakes
  • Recipes - Texas Cottage Food Law
March 24, 2025 /Don Schaffner
Time temperature control for safety food, Lemon curd, Cookies

The image shows a stainless steel pan with murky, dirty water sitting on a kitchen counter overnight. The water has a greasy film and floating residue. The pan has dried streaks on its sides. The counter has scattered crumbs and stains, illuminated by soft morning light filtering through a window.

745. Reusing Pasta Water That's Been Sitting Out Overnight

March 14, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks reusing pasta water that's been sitting out overnight.

Dr. Don - risky โ˜ฃ๏ธ
Professor Ben - risky โ˜ฃ๏ธ

  • NACCHO
  • Bacillus sp. R2 ฮฑ-amylase production optimization: Pasta cooking water as medium of amylase production | African Journal of Biotechnology
  • Fatal Family Outbreak of Bacillus cereus-Associated Food Poisoning - PMC
  • Predictive Model for Growth of Bacillus cereus at Temperatures Applicable to Cooling of Cooked Pasta - Juneja - 2019 - Journal of Food Science - Wiley Online Library
  • Microbiological Quality of Raw Dried Pasta from the German Market, with Special Emphasis on Cronobacter Species - Akineden - 2015 - Journal of Food Science - Wiley Online Library
  • A systematic review and meta-analysis of the prevalence of Bacillus cereus in foods - ScienceDirect
  • A survey study on safety and microbial quality of โ€œgluten-freeโ€ products made in Italian pasta factories - ScienceDirect
  • The occurrence of Bacillus cereus in fast foods: International Journal of Food Sciences and Nutrition: Vol 49, No 4
  • Toxin producing Bacillus cereus persist in ready-to-reheat spaghetti Bolognese mainly in vegetative state - ScienceDirect
  • Microbiological Quality of Filled Pasta in Relation to the Nature of Heat Treatment - ScienceDirect
March 14, 2025 /Don Schaffner
Bacillus, Heat stable toxin, Pasta, Time temperature control for safety food

The image features a plate of freshly cooked shrimp with dipping sauce on a wooden table. In the background, a television displays a football game. A majestic owl with striking feathers perches nearby, gazing intently at the shrimp. The cozy living room setting has warm lighting, creating a relaxed atmosphere.

744. Superb Owl Shrimp That's Been Out of Temperature, Refrigerated and Reheated

March 12, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating Superb Owl shrimp that's been out of temperature, refrigerated and reheated.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Watch the Football! โšฝ | That Mitchell and Webb Look - BBC - YouTube
  • 2025 Super Bowl LIX Sunday - When, Where & More - NFL.com
  • A comprehensive review of the spoilage of shrimp and advances in various indicators/sensors for shrimp spoilage monitoring - ScienceDirect
  • FoodKeeper App | FoodSafety.gov
  • Food Lion Shrimp Ring, with Cocktail Sauce, Cooked Same-Day Delivery or Pickup | Food Lion


March 12, 2025 /Don Schaffner
Shrimp, Time temperature control for safety food, Leftovers

Chopped onions, ginger, and garlic are neatly sun-dried on a clean wire rack over a wooden table in a modern suburban patio. The bright, soft sunlight highlights the fresh produce. The backdrop features a well-maintained backyard with a green lawn, stylish outdoor furniture, and a serene, upscale ambiance.

734. Sun Drying Onions, Ginger and Garlic for 4 Days

February 17, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of sun drying onions, ginger and garlic for 4 days.

Dr. Don - risky โ˜ฃ๏ธ
Professor Ben - risky โ˜ฃ๏ธ

  • Study the effect of sun, oven and microwave drying on quality of onion slices - ScienceDirect
  • Effect of Drying Characteristics of Garlic
  • Salmonella survival during thermal dehydration of fresh garlic and storage of dehydrated garlic products - PubMed
  • Survival of common foodborne pathogens on dates, sundried tomatoes, and dried pluots at refrigerated and ambient temperatures - ScienceDirect
  • Survival or Growth of Inoculated Escherichia coli O157:H7 and Salmonella on Yellow Onions (Allium cepa)under Conditions Simulating Food Service and Consumer Handling and Storage - ScienceDirect


February 17, 2025 /Don Schaffner
Sun-drying, Onions, Garlic, Ginger, Salmonella, Time temperature control for safety food

The image shows an upright freezer in a dimly lit garage, surrounded by clutter like tools and boxes. The freezer door is slightly ajar, and a bright warning light near the top is prominently flashing, creating a sense of urgency against the muted tones of the garage setting.

719. Freezer Ajar for 24 Hours

January 13, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from food in a freezer ajar for 24 hours.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Homepage - STOCKART
  • Download 1000's of high resolution images | Stockarch Free Stock Photo Archive
  • Avoid Foodborne Illness During Temporary Power Outages | FoodSafety.gov
  • Food safety experts agree with 'when in doubt, throw it out,' here's why | Fox News


January 13, 2025 /Don Schaffner
Freezer, Time temperature control for safety food

A festive scene with a plate of cookies, one bitten, and partially drunk milk left for Santa, alongside carrots for the reindeer. Warm light from a fireplace and Christmas decor, including a tree and stockings, set a cozy ambiance. In the background, Santa is glimpsed departing the room.

711. Leaving Cookies and Milk Out for Santa

December 25, 2024 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of leaving cookies and milk out for Santa, and carrots for his reindeer.

Dr. Don - not risky ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • How To Celebrate The Winter Solstice
  • How does Santa make it around the world in one night? | HowStuffWorks
  • Is Santa Claus immune to COVID-19? - YouTube
  • Immunologists convinced Santa has a great immune system - News & Events | Trinity College Dublin
December 25, 2024 /Don Schaffner
Milk, Cookies, Santa, Time temperature control for safety food
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