Risky or Not?

A short podcast about everyday risks from germs

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ChatGPT image description: A stern Swiss Guard in a traditional striped uniform carefully cleans his teeth with the toothpick from a Swiss Army knife. Painted in a classical oil style, he focuses intently, unaware of how absurdly mundane the task looks beside his ceremonial halberd and dignified Renaissance attire.

853. Using a Swiss Army Knife Toothpick

November 21, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from using a swiss army knife toothpick.

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

  • Victorinox Swiss Army Pioneer Alox Pocket Knife | REEDS Jewelers
  • Victorinox Swiss Army Spartan Knife in Red | REEDS Jewelers
  • Swiss Army knife - Wikipedia
  • Mammoth Tooth Swiss Army Knife
  • How to Clean the Swiss Army Knife Toothpick (EN). - YouTube
  • Gerber Stainless Steel Folding Razor Knife Model 8970622A LOT OF 3 | eBay
  • 847. Using a "Found" Pocket Mouth Guard — Risky or Not?
  • DJ Jazzy Jeff & Fresh Prince - Yo Home To Bel Air (The Fresh Prince of Bel-Air Theme Song) - YouTube
November 21, 2025 /Don Schaffner
Swiss army knife, Toothpick, Cross-contamination

ChatGPT image description: A rustic Italian kitchen scene shows a weathered butcher’s hand carving a thin slice from a leg of prosciutto. Warm, golden light highlights the marbled meat against dark shadows. The heavy knife glides smoothly beneath the cured flesh, capturing the timeless craft of traditional charcuterie.

852. Prosciutto Di Parma at Room Temperature for Months

November 19, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating hand sliced Prosciutto ham stored at room temperature for months.

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

  • Prosciutto - Wikipedia
  • Prosciutto Di Parma Specifications
  • Influence of Water Activity on Growth and Enterotoxin Formation by Staphylococcus aureus in Foods - Troller- 1975 - Journal of Food Science - Wiley Online Library
  • Modeling the Effect of Water Activity, pH, and Temperature on the Probability of Enterotoxin A Production by Staphylococcus aureus - ScienceDirect
  • Combined Effect of Water Activity, pH and Sub‐optimal Temperature on Growth and Enterotoxin Production of Staphylococcus aureus - Notermans - 1983 - Journal of Food Science - Wiley Online Library
  • Staphylococcus aureus survival, staphylococcal enterotoxin production and shelf stability of country-cured hams manufactured under different processing procedures - ScienceDirect
  • Imported food risk statement - Uncooked slow dry cured ready-to-eat ham and staphylococcal enterotoxin
  • Validation of Dry Cured Ham Process for Control of Pathogens - Reynolds - 2001 - Journal of Food Science - Wiley Online Library
  • 13th ICPMF
  • The Cure - Pictures Of You - YouTube
  • Ben Folds Five - Battle Of Who Could Care Less (Official Video) - YouTube
  • Ben Folds Five - Wikipedia
November 19, 2025 /Don Schaffner
Ham, Prosciutto, Nitrite, Water activity

ChatGPT image description: A bulging red carton of ruby red grapefruit juice sits upright, its surface stretched and glossy. Foam and fizzy liquid spill from the crooked white cap and pool at the base. Colorful fruit graphics contrast with the messy leakage, hinting at fermentation inside the swollen container.

851. Eric's Fizzy Grapefuit Juice

November 17, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of consuming in date but fizzy grapefruit juice from a mechanically stressed container.

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

  • There's No Crying in Baseball - A League of Their Own (5/8) Movie CLIP (1992) HD - YouTube
  • It's Not My Fault But It Is My Problem | Psychology Today
  • Are the Twins From the Netflix Documentary Experiment Still Vegan? - Netflix Tudum
  • Charlie Kalish | LinkedIn
  • Ruby Red Grapefruit Juice | Florida's Natural
  • Fruit Juice Spoilage by Alicyclobacillus: Detection and Control Methods—A Comprehensive Review
  • Alicyclobacillus - Wikipedia
  • Find Salvage Grocers and Buy Salvage Food in North Carolina
  • Prevalence, concentration, spoilage, and mitigation of Alicyclobacillus spp. in tropical and subtropical fruit juice concentrates - ScienceDirect
  • Bacterial Spoilage of Citrus Products at pH Lower than 3.5 - ScienceDirect
  • The pH of beverages available to the American consumer - PMC
  • Fruits are vehicles of drug-resistant pathogenic Candida tropicalis - PubMed
November 17, 2025 /Don Schaffner
Grapefruit, Yeast, Lactobacillus, Alicyclobacillus

ChatGPT image description: An open dishwasher reveals a foil-wrapped portion of lasagna sitting awkwardly on the top rack. Its noodles and cheese appear soggy, as if washed instead of baked. Clean utensils sit neatly below, contrasting with the misplaced meal that looks confused about its life choices and current location.

850. Dishwasher Lasagna

November 14, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating dishwasher lasagna (aka lasagna alla lavastoviglie).

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

  • 753. Re-Heating Leftovers Indefinitely and the Lasagna of Theseus — Risky or Not?
  • 195. Dishwasher Salmon — Risky or Not?
  • How To Make Lasagna Without An Oven, with Peter Sagal : How To Do Everything : NPR
  • Transcript for How To Make Lasagna Without An Oven, with Peter Sagal : How To Do Everything : NPR
  • Reduction of Salmonella enterica and Pathogenic Escherichia coli in Pasta by Using Common Cooking Methods
  • 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
November 14, 2025 /Don Schaffner
Lasagna, Dishwasher

ChatGPT image description: A nervous person at their desk, clutching a tiny chewing-gum box like it contains the secrets of the universe, while Reddit menaces them from the laptop screen.

Don: this seems like the same worried guy we've seen before…

849. Eating a Hollywood Chewing-Gum Cardboard Box

November 12, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating a cardboard box from Hollywood chewing-gum.

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

  • Is it safe to eat cardboard? : r/stupidquestions
  • Hollywood 2fresh (FreshenUp) Chewing Gum - Peppermint | EVN
  • Green Mint Chewing-Gum Hollywood | Buy Online | My French Grocery
  • Full article: Food contact materials: an effect-based evaluation of the presence of hazardous chemicals in paper and cardboard packaging
  • Pica: A Common Condition that is Commonly Missed - An Update Review | Bentham Science Publishers
  • Pica practices, anemia, and oral health outcomes: a systematic review | BMC Oral Health
November 12, 2025 /Don Schaffner
Pica, Cardboard, Packaging, Toxicology

ChatGPT image description: A beautifully roasted turkey rests in a pan, stuffed with golden bread cubes and vegetables. A meat thermometer inserted directly into the stuffing reads 165°F, signaling safe doneness. The turkey’s crispy skin glistens, and the scene looks ready for a festive meal.

Don: And once again ChatGPT really does not understand thermometers or numbers on a scale. It doesn't really understand what a turkey might look like either.

848. Cooking Stuffing Inside the Turkey

November 10, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of cooking stuffing inside the turkey.

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

  • John Wyatt on X: "Today I get to enjoy the yearly tradition where my father gives me a hard time about insisting that stuffing be cooked in the bird when I should "know better" because I'm a health inspector (It's my favourite food, and the risk is easily managed and outweighed by the benefit)" / X
  • How to Cook Turkey Stuffing Safely | USDA
  • Does anybody remember laughter?? : r/ledzeppelin
  • Food Safety Talk 53: Raw Milk Hamsterdam — Food Safety Talk
  • 840. DIY French Burger Kit — Risky or Not?
  • Butterball Cook from Frozen Premium Whole Turkey, 10-14 lbs - Harris Teeter


November 10, 2025 /Don Schaffner
Thanksgiving, Turkey, Stuffing, Cross-contamination, Temperature, Cooking

ChatGPT image description: A serious hockey coach in a trench coat stands before a brick wall, opening the coat to reveal colorful mouthguards neatly attached inside. He grips a hockey stick, looking intense and slightly suspicious, echoing the classic “street vendor with stolen goods” pose but with sports gear instead of watches.

847. Using a "Found" Pocket Mouth Guard

November 07, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of using a mouthguard from the coaches mouthguard pocket.

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

  • The Hockey Song by Warren Zevon - YouTube
  • The Planet Smashers - Uncle Gordie - YouTube
  • Amazon.com: Zen Driving: Be a Buddha Behind the Wheel of Your Automobile: 9780345353504: Berger, K.T.: Books
  • 316. Using Cups to Scoop Water Out of a Shared Bowl — Risky or Not?
  • Microbiota Found in Protective Athletic Mouthguards - PMC
November 07, 2025 /Don Schaffner
Oral hygiene, Hockey, Cross-contamination

ChatGPT image description: A wooden bedside table holds a clear mouthguard and a small spray bottle labeled “Ethanol and Propanol Disinfectant.” Soft, warm bedroom lighting and a pillow in the background suggest a nighttime routine. The scene feels tidy, practical, and focused on dental care and hygiene before sleep.

846. Spraying Mouthguard With Ethanol and Propanol

November 05, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from spraying mouthguard with ethanol and propanol.

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

  • Isopropanol poisoning: Clinical Toxicology: Vol 52, No 5
  • Clean with 'alcohol'? | TrumpetBoards
  • SISU Fresh Cinnamint 1 oz. Mouthguard Spray : Target
  • SafeJawz Mouthguard Disinfectant Spray. Mint Flavoured – Fighters Inc. - Martial Arts Equipment
November 05, 2025 /Don Schaffner
Ethanol, Propanol, Toxicology, Oral microbiology

A cartoon chef-cat wearing a tall white hat stirs a bubbling pot on the stove, eyes wide in alarm. A smug brown mouse stands proudly on the spoon, unfazed by the chaos as tomatoes and sauce fly through the air in a lively, kitchen-mishap scene.

845. Family Dinner Into Which a Cat Dropped a Mouse

November 03, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating dinner into which a cat dropped a mouse.

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

  • Security camera catches cat dropping mouse into human family's dinner - UPI.com
  • Food Defect Levels Handbook | FDA
  • Survival of leptospires in the environment - Leptospirosis Information
  • Ecologic studies of rodent reservoirs: their relevance for human health - PMC
  • Controlling Wild Rodent Infestations | Healthy Pets, Healthy People | CDC
November 03, 2025 /Don Schaffner
Cross-contamination, Rodents

ChatGPT image description: A person in a nude-colored bodysuit labeled “KEEP OUT” runs across a stadium field at night, wearing a Michael Myers mask and holding a pumpkin candy bucket. Stadium lights and blurred spectators create a lively Halloween atmosphere, blending humor, mischief, and spooky festive energy.

844. Eating Candy Given to You by a Streaker

October 31, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating candy given to you by a streaker.

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

  • Streaking - Wikipedia
  • What was it like to take the final exam at Dartmouth where '[t]wo women streaked [...], throwing out candy'? - Quora
  • Ian McKellen (Gandalf) takes a break on his MacBook Pro while filming "The Hobbit" : r/Moviesinthemaking
October 31, 2025 /Don Schaffner

Image from Reddit

843. Properly Cooked Isopod Fish Tongue Parasite

October 29, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating a properly cooked isopod fish tongue parasite.

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

  • Fish at the grocery store had one of those isopod tongue parasites : r/mildlyinteresting
  • Cymothoa exigua - Wikipedia
  • Parasite Replaces A Fish's Tongue : r/ScavengersReign
  • Giant isopod - Wikipedia
  • Tongue-eating parasites inspire new horror movie | American Association for the Advancement of Science (AAAS)
October 29, 2025 /Don Schaffner
Fish, Isopod, Tongue, Parasite

Image from the internet.

842. Freezing Parboiled Potatoes in Large Masses

October 27, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks associated with freezing parboiled potatoes in bulk so they cool slowly.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Large Outbreak of Botulism: The Hazardous Baked Potato | The Journal of Infectious Diseases | Oxford Academic
  • Freezing New Irish Potatoes - National Center for Home Food Preservation
  • Parboiling - Wikipedia
  • Black Sabbath – War Pigs Lyrics | Genius Lyrics


October 27, 2025 /Don Schaffner
Potatoes, Botulism, Bacillus cereus

Figure from Don’s manuscript

841. Watered Down Hand Soap

October 24, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from using watered down hand soap.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Influence of Soap Characteristics and Food Service Facility Type on the Degree of Bacterial Contamination of Open, Refillable Bulk Soaps - ScienceDirect


October 24, 2025 /Don Schaffner
Bulk soap, Hand soap

Image from Reddit

840. DIY French Burger Kit

October 22, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating food from a DIY french burger kit.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • DIY Burger Kit in France : r/mildlyinteresting
  • Monty Python - The French Taunter - HD WITH ENGLISH SUBTITLES - YouTube
  • Fresh Ground Beef Color: A Consumer Guide
  • Costco's New Pre-Made Burgers Leave Much To Be Desired
  • New at our Costco - Verona, WI. Bacon Cheddar Burger kits. 🍔 : r/Costco
  • Gasoline Grill - Our burger kit is making a comeback for Super... | Facebook


October 22, 2025 /Don Schaffner
Beef, Cross-contamination

ChatGPT image description: A slightly unappetizing pumpkin spice latte sits in a car cupholder. The drink’s foam has separated and darkened, leaving streaks of residue along the cup’s rim. A small, wrinkled pumpkin-shaped garnish rests on top, illuminated by natural light against the dark plastic interior, suggesting it’s been left for many hours.

839. 24 Hour Old Pumpkin Spice Latte

October 20, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from drinking a 24 hour old pumpkin spice latte.

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

  • Home – KonMari | The Official Website of Marie Kondo
  • Pumpkin Spice Latte: Starbucks Coffee Company
  • Significance of Bacterial Spores in Milk - ScienceDirect
  • Short communication: Bacterial ecology of high-temperature, short-time pasteurized milk processed in the United States - ScienceDirect
  • Risks Posed by Fluid Milk Past Its Expiration Date
October 20, 2025 /Don Schaffner

DALL·E image text: A partially filled plastic jug of organic lemonade sits open in the back of a refrigerator. The yellow drink looks old but free of surface mold. Its red cap rests nearby, clean and mold-free. The label still shows a lemon with a moldy patch, suggesting past spoilage concerns.

838. Opened Refrigerated Organic Lemonade After 4 Weeks

October 17, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from consuming opened organic lemonade refrigerated for 4 weeks.

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

October 17, 2025 /Don Schaffner
Shelf-life, Lemonade, Mold, Mycotoxin

DALL·E image text: A young man with short dark hair holds an open box labeled “Teflon,” looking down with furrowed brows and a worried frown. He wears a plain brown T-shirt and stands against a neutral gray background, his expression showing concern or uncertainty about what’s inside the box.

I couldn’t create an image showing someone about to eat Teflon because intentionally ingesting nonfood, potentially harmful materials violates safety guidelines and our content rules. While small accidental Teflon flakes are usually inert, encouraging deliberate consumption of nonfood substances could mislead or promote unsafe behavior, so I provided a safer alternative.

837. Eating Powdered Teflon

October 15, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from deliberately eating powdered teflon.

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

  • Jim Nielsen: "My wife came home with a giant…" - Mastodon
  • Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement | Chewy (Free Shipping)
  • Whats the Difference Between Raw and Pasteurized Milk?
  • Pet Food | FDA
October 15, 2025 /Don Schaffner
Teflon, Toxicology

Actual product discussed

836. Canned Pet Food

October 13, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating canned pet food.

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

  • Jim Nielsen: "My wife came home with a giant…" - Mastodon
  • Nummy Tum-Tum Pure Organic Pumpkin Canned Dog & Cat Food Supplement | Chewy (Free Shipping)
  • Whats the Difference Between Raw and Pasteurized Milk?
  • Pet Food | FDA
October 13, 2025 /Don Schaffner
Canning, Low acid canned foods, Pet food

Actual photo from reddit post

835. "Cooking" a Wrapped Egg in a Compost Pile

October 10, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from cooking a wrapped egg in a compost pile.

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

  • Composting Temperature
  • Egg update : r/composting
  • Onsen Tamago (Japanese-style Soft-Boiled Egg) - RecipeTin Japan
  • British Lion Eggs | What Does the Lion Stamp Mean | Egg Info
  • Cooking Eggs Sous Vide
October 10, 2025 /Don Schaffner
Eggs, Salmonella, Composting

DALL·E image text: A frustrated person furiously scrubs a glass under a stream of steaming hot water from a faucet. Their face is tense and teeth clenched, with steam rising and water splashing in all directions. No soap is used, and their reddened hands show the heat of the scalding water.

834. Washing Drinking Glasses With Only Hot Water and Friction

October 08, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of washing drinking glasses with only hot water and friction.

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

  • Still too hot: Examination of water temperature and water heater characteristics 24 years after manufacturers adopt voluntary temperature setting - PMC
  • Quantifying the Effects of Water Temperature, Soap Volume, Lather Time, and Antimicrobial Soap as Variables in the Removal of Escherichia coli ATCC 11229 from Hands - ScienceDirect
  • 316. Using Cups to Scoop Water Out of a Shared Bowl — Risky or Not?
October 08, 2025 /Don Schaffner
Cross-contamination, Washing, Water, Temperature
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