Risky or Not?

A short podcast about everyday risks from germs

  • Episodes
  • About
  • Contact us
  • Subscribe
  • Statistics
  • Merch
  • Search/Tags

ChatGPT image description: An illustrated instructional diagram titled “How to Use a French Press” shows a circular process: add ground coffee, add hot water, press and brew, then rinse and clean. Arrows emphasize repetition, humorously suggesting the cycle of brewing coffee and cleaning the French press over and over.

876. Continuously Reusing an Unwashed French Press for Coffee and Tea

January 14, 2026 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from continuously reusing an unwashed french press for coffee and tea.

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

  • 208. Not Washing Coffee Making Devices — Risky or Not?
  • 37: Tea at Room Temperature — Risky or Not?
  • Determination of potentially mycotoxigenic fungi in coffee (Coffea arabica L.) from Nayarit - PMC
  • Mycotoxins in Coffee - ScienceDirect
January 14, 2026 /Don Schaffner
Coffee, Washing, Mold, Mycotoxin

Image description: Actual banana from Justin's post.

875. OneTrueJustin's Parents Half Eaten Banana

January 12, 2026 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from leaving a half a cut banana at room temperature for 24 hours.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • 14: Budnik's Banana — Risky or Not?
  • Justin Ekins on X: "@bugcounter @benjaminchapman My parents routinely leave half-eaten bananas in the bowl for later consumption. Is this risky? Assume 24 hours between splitting and eating the second half. https://t.co/76VwOdFD39" / X
  • Banana peel: a possible source of infection in the treatment of nipple fissures - PubMed
January 12, 2026 /Don Schaffner
Banana, Time temperature control for safety food

Image description: Actual potatoes from the Facebook reel.

874. Dry Canning Potatoes

January 09, 2026 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from pressure canning cooked potatoes without added water.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Potato Facebook Reel
  • Resources: USDA Complete Guide to Home Canning | National Center for Home Food Preservation
  • "Dry Canning" Isn't Canning - National Center for Home Food Preservation
  • Potatoes, White – Cubed or Whole - National Center for Home Food Preservation
  • National Botulism Surveillance Summary, 2021 | Botulism | CDC
  • How to Can Dry Packed Potatoes: Step-by-Step Guide | The Canning Diva
  • The Original Canning Rebels | Facebook
  • Facebook certificate of analysis
January 09, 2026 /Don Schaffner
Canning, Potatoes, Water, Dry canning

ChatGPT image description: A single piece of sushi sits alone on a conveyor belt under a clear plastic dome. The fish looks dull and dried, the rice hardened. Around it, stacks of empty plates and blurred restaurant fixtures emphasize how long the sushi has been circling, forgotten.

873. Leftover Conveyer Belt Sushi

January 07, 2026 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating leftover conveyer belt sushi.

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

  • Conveyor Belt Sushi in Japan
  • Conveyor belt sushi - Wikipedia
  • Arrests made after wave of ‘sushi terrorism’ upends Japan’s restaurant industry | Japan | The Guardian
  • Florida Department of Health - Time as a Public Health Control Procedures
January 07, 2026 /Don Schaffner
Sushi, Time temperature control for safety food

ChatGPT image description: A close-up shows someone cutting into a seasoned chicken breast on a white plate. The golden-brown exterior contrasts with a visibly pink, undercooked interior. A fork and knife frame the slice, with juices pooling slightly, emphasizing the unsafe “medium-rare” appearance.

872. Medium Rare Chicken

January 05, 2026 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating medium rare (not ground) chicken.

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

  • Archive: National Advisory Committee on Microbiological Criteria for Foods (NACMCF) | Food Safety and Inspection Service
  • Response to the Questions Posed by the Food Safety and Inspection Service Regarding Consumer Guidelines for the Safe Cooking of Poultry Products - ScienceDirect
  • No FODMAP Chicken Paillard - FODMAP Everyday
January 05, 2026 /Don Schaffner
Chicken, Poultry, Cooking

ChatGPT image description: A nervous man stares at a split sausage roll, revealing pink, undercooked ground pork inside. His eyes are wide and brows furrowed in concern as he holds the pastry close to his face, clearly alarmed by what he has just bitten into.

871. Eating 1 or 2 Bites of Undercooked Ground Pork

January 02, 2026 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating 1 or 2 bites of undercooked ground pork.

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

  • Meta Platforms - Wikipedia
  • Cook to a Safe Minimum Internal Temperature | FoodSafety.gov
  • What foodborne organisms are in pork?
  • WHO and FAO published a report ranking foodborne viruses | Food Safety News
  • Microbiological risk assessment of viruses in foods Part 1: Food attribution, analytical methods and indicators
  • Presence of hepatitis E virus in commercially available pork products - PubMed
January 02, 2026 /Don Schaffner
Pork, Trichinosis, Hepatitis E, Cooking

Image description: Actual image from the TV show.

870. A Smoothie Made With a Cordless Drill

December 31, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from making a smoothie using a cordless drill.

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

  • Amazon.com: KatchOn, 2026 Glasses New Year Eve - Pack of 12 | Happy New Year Eyeglasses 2026 for New Years Eve Party Supplies 2026 | NYE Party Glasses | Happy New Years Decorations 2026 | NYE Decorations 2026 : Home & Kitchen
  • Fans of Mr. Monk Group | Natalie making a smoothie with a power drill | Facebook
  • Natalie Makes A Smoothie With A Power Drill | Monk - YouTube
  • Mr. Monk Is on the Run (Part One) | Monk Wiki | Fandom
  • Milwaukee 1 in. X 6 in. L Heat-Treated Steel Flat Boring Bit Quick-Change Hex Shank 1 pc Mfr# 48-27-1001 - Ace Hardware
December 31, 2025 /Don Schaffner
Smoothie, Cross-contamination, Physical hazard, Metal fragments

Image description: Actual clay from the Instagram video. Does that even look like mold?

869. Moldy Clay

December 29, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from moldy clay.

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

  • Moldy Clay Instagram
  • Dogen's Genjokoan
  • Moldy clay? : r/Pottery
  • Toxic mold in clay? - Clay and Glaze Chemistry - Ceramic Arts Daily Community
  • Ceramics | Office of Environmental Health and Safety
December 29, 2025 /Don Schaffner
Clay, Mold, Mycotoxin

ChatGPT image description: A square close-up shows an opened metal can of caramel sauce left on a kitchen countertop. Thick amber caramel overflows the rim, dripping down the sides and pooling on the surface below. A spoon coated in caramel rests nearby, emphasizing the sticky, glossy texture.

868. Homemade Caramel Sauce Left Out Over Night

December 26, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from leaving homemade caramel sauce out over night.

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

  • David Mitchell (comedian) - Wikipedia
  • Great White North - YouTube
  • Mayor Clint Eastwood | Carmel-by-the-Sea, California
  • Sweetened Condensed Milk Caramel Recipe
  • Shelf stable caramel sauce : r/foodscience
  • Water activity and its relevance
  • Hit Somebody! (The Hockey Song) - YouTube
December 26, 2025 /Don Schaffner
Caramel, Time temperature control for safety food

ChatGPT image description: A worried epidemiologist in a white lab coat examines filthy, crusted buffet tongs beside a plate of food. Set in a restaurant buffet with warm lighting, his furrowed brow and uneasy expression highlight concern over contamination and poor sanitation.

867. Using Tongs

December 24, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from using tongs to pick up food.

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

  • Post by @bharrap.bsky.social — Bluesky
December 24, 2025 /Don Schaffner
Tongs, Cross-contamination

ChatGPT image description: A whole raw chicken sits submerged in a blue cooler filled with water, while an aquarium pump shoots a spray upward. Several bright orange goldfish swim around the chicken. The scene is surreal, mixing food storage with aquarium elements in an oddly calm, brightly lit setup.

866. Thawing Chicken With an Aquarium Pump

December 22, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of using an aquarium pump to circulate the water to aid in thawing a chicken in a cooler of water.

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

  • Alton Brown Aquarium Pump thawing Instagram
  • 86. Thawing Poultry at Room Temperature — Risky or Not?
  • Quick food thawing with running water versus a recirculating faucet: Comparison of time to thaw and use of water and energy - ScienceDirect
December 22, 2025 /Don Schaffner
Thawing, Cross-contamination

ChatGPT image description: A slim-probe digital food thermometer is held under a running faucet, its metal tip directly in the water stream. The display reads 84°F. Water splashes around the stainless-steel sink, creating droplets and motion. The close-up composition emphasizes cleaning the temperature probe after use.

865. Cleaning a Food Thermometer With Just Water

December 19, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of cleaning a food thermometer with just water.

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

  • Cleaning and Other Control and Validation Strategies To Prevent Allergen Cross-Contact in Food-Processing Operations - ScienceDirect
  • Evaluation of the potential for electronic thermometers to contribute to spread of healthcare-associated pathogens - ScienceDirect
December 19, 2025 /Don Schaffner
Cross-contamination, Water, Thermometer

ChatGPT image description: A person fills a water bottle at a grimy sink in a graffiti-covered Brooklyn music club bathroom. Rust, stains, and dim lighting emphasize the rundown setting while the bottle catches a small stream from the old faucet. The scene feels gritty, unsanitary, and characteristic of a dive-venue restroom.

864. Tap Water From a Sketchy Bathroom Sink

December 17, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from drinking tapwater from a bathroom sink where the bathroom smells like a bathroom.

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

  • Arc - Robot or Not? #310 - The Incomparable
  • Water Quality : r/Brooklyn
  • The toilet at NYC club CBGB - by Chris Stein : r/UtterlyUniquePhotos
  • CBGB - Wikipedia
  • Cat's Cradle | Live Music and Concerts | Carrboro, NC
December 17, 2025 /Don Schaffner
Water, Bathroom

ChatGPT image description: A small blue-and-white pill hovers above an empty bathroom sink, caught mid-bounce. The smooth white basin and metal drain create a clean, simple backdrop, while the faucet and tiled wall add muted detail. The scene feels quiet and precise, focused on the moment before the pill falls again.

863. Taking a Pill Dropped in the Bathroom Sink

December 15, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from taking a pill dropped in the bathroom sink for less than five seconds.

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

  • Selective serotonin reuptake inhibitors (SSRIs) - Mayo Clinic
  • Rutgers Researchers Debunk ‘Five-Second Rule’: Eating Food off the Floor Isn’t Safe | Rutgers University
  • SINKSHROOM Ultra Revolutionary Bathroom Sink Dog, Cat & Small Pet Drain Protector, Stainless Steel - Chewy.com
  • SinkShroom Chrome Stainless Steel Drain Protector Mfr# SSULTR321 - Ace Hardware
  • Some realtors no longer using "master" to describe bedrooms and bathrooms - CBS News
  • Bathroom sink pop-up drain with overflow (Large Top) - Lulani
December 15, 2025 /Don Schaffner
Sink, Cross-contamination

ChatGPT image description: A cheerful hippie in a tie-dye shirt and headband steps out of a used clothing store, carrying a huge bundle of secondhand clothes. He smiles behind round sunglasses as he walks past the brick storefront, overflowing garments in his arms suggesting a successful thrift haul.

862. Wearing "New" Clothes Without Washing

December 12, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of wearing "new" (to you) clothes without washing first.

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

  • Robot or Not? - a podcast from The Incomparable
  • Ep. 604: "Unintentional Curator" - Roderick on the Line - Merlin Mann
  • Potential Skin Pathogens on Second Hand Clothes and the Effectiveness of Disinfection Methods - Semantic Scholar
  • "Public Health Implications of Retailer Resale of Returned Textile Clot" by Antonette M. A. Francis-Shearer
  • Contaminated clothing of methicillin-resistant Staphylococcus aureus (MRSA) carriers is a potential source of transmission - ScienceDirect
  • Second-Hand Clothe, a New Threat for Acquiring Parasitic Infection - PMC
December 12, 2025 /Don Schaffner
Clothing, Cross-contamination, Washing

ChatGPT image description: A stern restaurant inspector checks a prime rib roasting overnight, holding a thermometer showing under 120°F. The chef sleeps beside the oven, oblivious. The scene contrasts the inspector’s alarm with the chef’s exhaustion, highlighting unsafe cooking conditions and a tense, dimly lit kitchen atmosphere. Don's comment: I think this guy looks a little bit like Pete Snyder. Also very weird thermometer.

861. Russel's 120 °F Prime Rib

December 10, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from Russel's 120 °F prime rib recipe, which is a follow up to episode 854, Chef John's Perfect Prime Rib.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • 854. Chef John's Perfect Prime Rib — Risky or Not?
  • Conference for Food Protection, Inc - Issues
  • 2025-III-33 Raw Animal Foods Come-Up-Time (CUT)
  • Conference for Food Protection, Inc - Biennial Meeting Materials
  • 2025 Council III Issues Packet sent to Assembly of Delegates.pdf - Google Drive
  • Conference for Food Protection, Inc - Guides
  • CFP Guidance Documents for Safe Handling and Cooking of Roaster Pigs 10-25-21.
  • Microbiological Safety of Commercial Prime Rib Preparation Methods: Thermal Inactivation of Salmonella in Mechanically Tenderized Rib Eye - ScienceDirect
December 10, 2025 /Don Schaffner
Cooking, Prime rib, Long come up times

ChatGPT image description: A pregnant woman grimaces while attempting to drink from a large jug labeled “Unpasteurized Apple Cider Vinegar.” Her eyes are squeezed shut and her mouth puckers from the sour taste. She holds the container hesitantly, standing against a plain background in a mauve maternity shirt, clearly regretting the sip.

860. Unpasteurized Apple Cider Vinegar for Pregnant or Immunocompromised People

December 08, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of unpasteurized apple cider vinegar for pregnant or immunocompromised people.

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

  • The Different Types of Apple Cider Vinegar | OSU Apple Cider Vinegar
  • Apple Cider Vinegar in Pregnancy: Safety, Benefits, and Uses
  • Determination of 5-log reduction times for Escherichia coli O157:H7, Salmonella enterica, or Listeria monocytogenes in acidified foods with pH 3.5 or 3.8
December 08, 2025 /Don Schaffner
Unpasteurized apple cider vinegar, Vinegar, Immunocompromised, Pregnant

Image description: Image from the actual video

859. Medium Rare Duck Breast and HPAI

December 05, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of contracting high pathogenicity avian influenza (HPAI) from medium rare duck breast.

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

  • Food Safety Talk 251: Too Many Brooms — Food Safety Talk
  • Instagram Duck Breast Video
  • Thermal Inactivation of H5N1 High Pathogenicity Avian Influenza Virus in Naturally Infected Chicken Meat - ScienceDirect
  • Rapid risk assessment to address emerging concerns of HPAI in raw and pasteurized milk | PLOS One
  • Avian Influenza | Washington State Department of Agriculture
  • Avian Influenza | Animal and Plant Health Inspection Service
  • USDA Questions and Answers: Food Safety and Avian Influenza - April 2015
December 05, 2025 /Don Schaffner
Duck, Poultry, High pathogenicity avian influenza, Cooking

ChatGPT image description: A black crockpot sits unplugged on a countertop, its white power cord coiled beside it. Inside, several chicken breasts rest in chunky red salsa. The scene looks still and slightly concerning, suggesting the food has been left at room temperature all day without cooking. Don's comment: Interesting plug design. Might not have helped to plug this one in.

858. Crockpot Chicken at Room Temperature "All Day"

December 03, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of holding raw chicken at room temperature "all day" before cooking.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Staphylococcosis in Poultry - Poultry - Merck Veterinary Manual
  • Evaluation of the Prevalence of Staphylococcus aureus in Chicken Fillets and Its Bio-Control Using Different Seaweed Extracts - PMC
December 03, 2025 /Don Schaffner
Time temperature control for safety food, Chicken, Delayed cooking, Crockpot

Image description: the actual turkey noodle soup in question.

857. Water Bathed Canned Turkey Noodle Soup

December 01, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of turkey noodle soup that's been boiling water bath canning for 2 hours.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Canning - National Center for Home Food Preservation
  • Ball® Blue Book Guide to Preserving 38th Edition, Recipe Book | Ball
  • Iowa State Factsheet, Botulism
  • Heat-Resistance Studies on Spores of Putrefactive Anaerobes in Relation to Determination of Safe Processes for Canned Foods, 1938.
  • In Memoriam Terence Roberts (4 October 2024) – ICMSF | International Commission on Microbiological Specifications for Foods
December 01, 2025 /Don Schaffner
Home canning, Clostridium botulinum, Low acid canned food
  • Newer
  • Older

Powered by Squarespace