Risky or Not?

A short podcast about everyday risks from germs

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A worried Canadian family—father with curly hair and beard, mother with long blonde hair, an older redheaded son, and a younger blonde son with a mullet—sits at a tropical restaurant table playing cards. A stern Gambling Police officer, badge and notebook in hand, writes a ticket as palm trees sway in the background.

780. Playing Games at a Table in a Restaurant

June 04, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from playing games at a table in a restaurant.

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

  • Peg solitaire - Wikipedia
  • Restaurant and Staff Characteristics Related to Practices that Could Contribute to Cross-Contamination - ScienceDirect
  • Surprising Hawaii Law Shuts Down Family’s Vacation Tradition - Beat of Hawaii


June 04, 2025 /Don Schaffner
Restaurant, Cross-contamination, Games

This image shows a half-eaten chocolate bar resting in its wrapper on a dusty desk, revealing layers of nougat, caramel, and peanuts. Several ants are crawling nearby, attracted to the sweet, decaying treat that has clearly been sitting for years. The scene feels old and forgotten.

776. Eating a Half Eaten Candy Bar After the Pandemic

May 26, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating a half eaten candy bar left on a desk during the COVID-19 pandemic

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

  • Names for soft drinks in the United States - Wikipedia
  • One-in-a-Million Pizza Fan – Bedtime Math
  • Ants Eating Choco Heart Cookie - YouTube
  • Time Lapse Ants Eating Heart Candy (ants vs candy timelapse) - YouTube
  • A study on the potential of ants to act as vectors of foodborne pathogens - PMC
  • New chat
  • DO NOT IGNORE THOSE BIG BLACK ANTS
May 26, 2025 /Don Schaffner
Candy, Ants, Cross-contamination

A grimy single-cup coffee maker sits on a speckled countertop, heavily stained with rust and old coffee residue. The machine looks neglected and unclean. A filthy, streaked paper cup rests on the drip tray, emphasizing the unhygienic condition. The setting evokes discomfort, like a poorly maintained hotel room.

773. Single Cup Hotel Coffee Makers

May 19, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from using hotel single cup coffee makers.

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

  • assuming that everything in a hotel room has at... | kung fu grippe
  • Keurig® K-Mini® Single Serve Coffee Maker | Keurig Canada
  • My brewer has internal temperature control. What are the brew temperature ranges? | Knowledge Article
May 19, 2025 /Don Schaffner
Coffee, Cross-contamination

A greasy cook licks his fingers while holding a steak over a grill. He wears a stained apron and chef’s hat. A young girl with long black hair looks on in horror, her mouth open in shock. The kitchen appears grimy, with a burger on a shelf in the background.

771. Eating Steaks Flipped With Licked Bare Hands

May 14, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating steaks flipped by someone who has licked their bare hands before flipping.

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

  • 327. Chicken Soup Unrefrigerated for More Than 6 Hours — Risky or Not?
  • 342. Bedroom Pasta — Risky or Not?
  • 316. Using Cups to Scoop Water Out of a Shared Bowl — Risky or Not?
May 14, 2025 /Don Schaffner
Cross-contamination, Norovirus

DALL·E image text: A young restaurant worker in a black shirt and beige apron pulls on a white glove while a stern manager in a black suit watches disapprovingly with arms crossed. The warm, rustic restaurant setting contrasts with the tension between them, hinting that the worker skipped proper handwashing before gloving up.

768. Putting on Gloves Without Washing Your Hands

May 07, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of putting on gloves without first washing your hands as required by the FDA model food code.

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

  • Handwashing Facts | Clean Hands | CDC
  • Glove Barriers to Bacterial Cross-Contamination between Hands to Food - ScienceDirect
  • Microbiological safety assurance system for foodservice facilities.
  • FDA Food Code | FDA
  • Food Code 2022 | FDA
  • Scientific Evidence Supports the Use of Alcohol-Based Hand Sanitizers as an Effective Alternative to Hand Washing in Retail Food and Food Service Settings When Heavy Soiling Is Not Present on Hands - ScienceDirect
  • 2025 Biennial Meeting | Biennial Meetings | Conference for Food Protection
May 07, 2025 /Don Schaffner
Handwashing, Glove use, Cross-contamination

DALL·E image text: The image shows the entrance to "Jordan's Bar & Restaurant," with wooden double doors featuring baseball bat handles. A lake and trees are visible through the glass panels. A sign on one door reads "Shoes, Shirt, No Service," and a wooden sign above displays the restaurant's name. The image is square.

Don: The image is square, and so is DALL·E, man.

767. Eating and Drinking at Nudist Bar

May 05, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks eating and drinking at nudist bar.

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

  • 9: Barefoot Kitchen Staff — Risky or Not?
  • List of social nudity places in North America - Wikipedia
May 05, 2025 /Don Schaffner
Cross-contamination, Nudity

A man in a dark hoodie stands before an open refrigerator, cautiously sneaking a spoonful of cottage cheese straight from the container. The fridge glows with soft light, revealing milk, juice bottles, tomatoes, oranges, and lettuce. His wide eyes suggest he's hoping no one catches him in the act.

763. Yogurt or Cottage Cheese Directly Out of the Container

April 25, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from repeatedly eating yogurt or cottage cheese directly out of the container.

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

  • 47: Peanut Butter Fingering — Risky or Not?
  • Effect of Biting Before Dipping (Double‐Dipping) Chips on the Bacterial Population of the Dipping Solution
  • Listeria in the domestic environment | Emerald Insight
  • 316. Using Cups to Scoop Water Out of a Shared Bowl — Risky or Not?
  • Calcium - Cheese Science Toolkit
April 25, 2025 /Don Schaffner
Yogurt, Cottage cheese, Cross-contamination

A panicked man frantically refills multiple plastic water jugs at a kitchen sink. His wide-eyed, stressed expression suggests urgency or impending crisis. The countertop and sink are crowded with empty jugs, and water spills slightly as he struggles to keep up with the task.

758. Reusing Plastic Drinking Water Jugs Without Washing

April 14, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from reusing plastic drinking water jugs without washing.

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

  • Gregory Koch: "Me wearing my #RiskyOrNot no waffles shirt for Passover. @bugcounter.bsky.social @benjaminchapman.bsky.social" — Bluesky
  • Quantifying the Influence of Relative Humidity, Temperature, and Diluent on the Survival and Growth of Enterobacter aerogenes - ScienceDirect
  • Draft Genome Sequence for Klebsiella michiganensis B199A, Originally Identified as Enterobacter aerogenes | Microbiology Resource Announcements
  • Matt Igo | LinkedIn
  • Aqua North Carolina | Essential Utilities
April 14, 2025 /Don Schaffner
Water, Cross-contamination

A clear glass of milk sits on a wooden surface, featuring a vibrant purple crazy straw looping playfully above the rim. The background is softly lit with a neutral tone, highlighting the straw’s curves and the milk’s smooth texture. The image is balanced, nostalgic, and visually inviting.

755. Reusable Straws

April 07, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from using re-usable straws.

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

  • Eat or Toss? Is it OK to eat?
  • 475. Bamboo Straw Used for Smoothies Without a Brush for Cleaning — Risky or Not?
  • Food Safety Talk 33: Fresh Produce Punk Rock Hippieness — Food Safety Talk
  • View of Do reusables pose greater infectious risks than disposables for consumer goods? A systematic literature review
  • Guidance Document for the Safe Reuse of Containers | Conference-Developed Guides and Documents | Conference for Food Protection
April 07, 2025 /Don Schaffner
Straws, Cross-contamination, Cleaning

A charming cartoon mouse in an apron stands on a stool, cheerfully churning butter in a rustic farmhouse kitchen. Warm lighting, wooden beams, and shelves filled with jars and herbs create a cozy, storybook atmosphere. The scene is whimsical, inviting, and full of delightful countryside detail.

748. Butter That a Mouse Churned

March 21, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating butter that a mouse churned.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Richard Gere and the Gerbil | Snopes.com
  • Two Little Mice Fell Into a Bucket of Cream Lesson
  • Is it true that if you shake the creamer cups you get with coffee enough, they turn into butter? : r/NoStupidQuestions
  • Fecal Shedding of Zoonotic Food-Borne Pathogens by Wild Rodents in a Major Agricultural Region of the Central California Coast - PMC
  • SNL50: Beyond Saturday Night, More Cowbell Season 1, Episode 2
  • Annie Hall (8/12) Movie CLIP - Can I Confess Something? (1977) HD - YouTube
March 21, 2025 /Don Schaffner
Rodents, Butter, Cross-contamination

A modern home kitchen features an open oven with a small pile of rodent feces on the rack. In the background, a cute mouse with big eyes and a guilty expression peeks out, adding a humorous contrast to the otherwise clean and well-lit space.

747. Cooking in an Oven With Mouse Droppings

March 19, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from cooking in an oven with mouse droppings.

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

  • Mickey Mouse heads to the public domain
  • HAPPY DAYS - "Fonzie Moves in Over the Cunninghams Garage" - The Fonz - YouTube
  • Hantavirus Disease
  • Hantavirus: What is disease that killed Gene Hackman's wife?
  • Reported Cases of Hantavirus Disease | Hantavirus | CDC
  • Applications of heat: Hantavirus
March 19, 2025 /Don Schaffner
Feces, Rodents, Cross-contamination, Hantavirus

The image depicts a blonde-haired, bearded man standing outdoors, gently kissing a raven. He has a peaceful expression, and the raven appears calm. The background is a soft, blurred natural setting with trees and sky. The lighting is serene, highlighting the man’s flowing hair and the raven’s sleek feathers.

743. Kissing a Raven

March 10, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from kissing a raven.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • Ragnar raven in a lovely chatty and affectionate mood. | Raven Talking | TikTok
  • Julie Andrews – My Favorite Things Lyrics | Genius Lyrics
  • Elton John - Rocket Man (Official Music Video) - YouTube
  • Salmonella ravens - Google Scholar
  • Salmonella in Sheep in Iceland - PMC
  • Prevalence, Characterization and Antibiotic Resistance of Salmonella Isolates in Large Corvid Species of Europe and North America Between 2010 and 2013 - Janecko - 2015 - Zoonoses and Public Health - Wiley Online Library
  • Bacterial Diversity in Feces of Wild Bald Eagles, Turkey Vultures and Common Ravens from the Pacific Northwest Coast, U.S.A | bioRxiv
  • Blue Oyster Cult - (Don't Fear) The Reaper (Lyrics) - YouTube
March 10, 2025 /Don Schaffner
Birds, Salmonella, Kissing, Cross-contamination

The image features a small, vibrant parrot perched on a person's finger, holding a tiny spoon in its beak and stirring a steaming cup of coffee. The background is warm and cozy, with soft lighting. The parrot appears curious and focused, adding a whimsical touch to the charming scene.

742. Stirring Your Coffee With "Pickle" the Barrista Bird Daily

March 07, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of letting a parrot stir you coffee with a spoon every day.

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

  • Pickle the barista birb loves to stir my coffee every morning : r/aww
  • Salmonella | Cornell Wildlife Health Lab
  • Psittacosis (Ornithosis) fact sheet
  • Human Salmonellosis Outbreak Linked to Salmonella Typhimurium Epidemic in Wild Songbirds, United States, 2020–2021 - Volume 29, Number 11—November 2023 - Emerging Infectious Diseases journal - CDC
  • Salmonella pet birds - Google Scholar
  • Full article: Zoonotic potential and prevalence of Salmonella serovars isolated from pets
  • Polymerase Chain Reaction Detection of Salmonella spp. in Fecal Samples of Pet Birds | Avian Diseases
  • Prevalence and Antimicrobial Resistance of Salmonella spp. in Pet Mammals, Reptiles, Fish Aquarium Water, and Birds in Trinidad - Seepersadsingh - 2003 - Journal of Veterinary Medicine, Series B - Wiley Online Library
  • Salmonella Newport outbreak in Brazilian parrots: confiscated birds from the illegal pet trade as possible zoonotic sources - Saidenberg - 2021 - Environmental Microbiology Reports - Wiley Online Library
  • Zoonoses in pet birds: review and perspectives | Veterinary Research
March 07, 2025 /Don Schaffner
Birds, Salmonella, Coffee, Cross-contamination

The image shows an open dishwasher in a modern kitchen. Inside, along with regular dishes, sits a very dirty bird feeder covered in grime, dirt, and birdseed remnants. The scene looks unusual and messy, highlighting the contrast between household cleaning and outdoor grime in an unexpected setting.

741. Using a Dishwasher to Wash a Bird Feeder

March 05, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from using a dishwasher to wash a bird feeder.

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

  • Infectious Diseases of Garden Birds - Minimising the Risks - UFAW
  • Outdoor Cleaning Products | Jeyes Fluid
  • Method to Evaluate Factors Influencing the Microbial Reduction in Domestic Dishwashers | Journal of Applied Microbiology | Oxford Academic
  • Jeyes Fluid - Wikipedia
  • John Jeyes - Wikipedia
  • p-Chlorocresol - Wikipedia
March 05, 2025 /Don Schaffner
Birds, Salmonella, Cross-contamination, Dishwasher

The image depicts a caring parent using a snot sucker to remove mucus from their infant's nose. The baby appears calm, while the parent has a concerned yet gentle expression. Virus particles swirl around, glowing to emphasize the presence of germs. The setting is a cozy home with soft lighting.

740. Using a "Snot Sucker" With Ones Mouth

March 03, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks posed by using a "snot sucker" with ones mouth.

Dr. Don - risky ☣️
Professor Ben - risky ☣️

  • NoseFrida the SnotSucker – Frida | The fuss stops here.
  • NoseFrida: Winter Colds and Baby’s Snot: A Better Way to Clear It Out • ItsaBelly Doulas
  • Amazon.com : BABY-VAC Clinically Tested Baby Nasal Aspirator - Vacuum-Powered Nose Sucker with Suction Head & Cleaning Brush for Safe and Gentle Relief : Baby Bathing Products : Baby
  • Comparing nasal suction devices in children with bronchiolitis: A pilot randomized control trial - Journal of Pediatric Nursing: Nursing Care of Children and Families
  • Nasal Suction Tip: Little Sucker® Nasal Tip - Neotech Products
  • NoseFrida HYGIENE FILTERS – Frida | The fuss stops here.
March 03, 2025 /Don Schaffner
Cross-contamination, Aerosols, Respiratory Viruses

A blonde-haired toddler with chubby cheeks sits on the floor, mischievously placing a chicken nugget into their tiny slipper. They wear colorful pajamas, and the cozy home setting has scattered toys in the background. The child's playful expression and clear action make the scene both adorable and amusing.

739. Nugget Shoes

February 28, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from a toddler placing chicken nuggets in their shoes.

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

  • SJ 🥥🌴💙 (@sjmcgriff)’s video of Kids TikTok Videos | TikTok
  • Pitted keratolysis: an infective cause of foot odour - PMC
  • Why Do Feet Stink? (for Kids) | Nemours KidsHealth
February 28, 2025 /Don Schaffner
Cross-contamination, Shoes, Chicken nuggets

A person is drying their hands with a slightly dirty, wrinkled hand towel in a home bathroom. The towel shows visible signs of frequent use, with light stains and a worn texture. The background features a bathroom sink and mirror, emphasizing an everyday, lived-in atmosphere.

737. Using a Bath Towel (Laundered Weekly) to Dry Hands After Using the Bathroom and Before Preparing Food

February 24, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of using weekly laundered bath towel to dry hands after using the bathroom and before preparing food.

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

  • Why you probably aren't washing your towels often enough
  • Bacterial Occurrence in Kitchen Hand Towels
  • A Study of Bacterial Contaminants of Cloth and Paper Towels
  • Quantifying the Effect of Hand Wash Duration, Soap Use, Ground Beef Debris, and Drying Methods on the Removal of Enterobacter aerogenes on Hands - ScienceDirect
February 24, 2025 /Don Schaffner
Handwashing, Cross-contamination, Cloth towel

A man in cozy pajamas stands in his softly lit bedroom, pouring a glass of water into a sleek white humidifier on the floor. The room features a neatly made bed, a bedside table with a lamp, and a window with slightly open curtains, creating a warm, calm atmosphere.

736. Reusing Old Sleep-Water in Cold Humidifiers

February 21, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of using water from a bedside glass to refill a humidifier.

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

  • Molecular analysis of single room humidifier bacteriology - ScienceDirect
  • Severe neonatal legionellosis associated with use of home humidifiers – A case report - ScienceDirect
  • Legionella - an overview | ScienceDirect Topics
  • A review of legionnaires’ disease and public water systems – Scientific considerations, uncertainties and recommendations - ScienceDirect


February 21, 2025 /Don Schaffner
Water, Humidifier, Cross-contamination, Legionella

A rugged, bare-chested Canadian man with a bushy beard smiles while holding a rice ball. His wild hair and visible chest hair add to his outdoorsy charm. In the background, a shy Japanese girl blushes, covering her face with one hand, standing in a cozy, traditional Japanese-style kitchen.

735. Armpit Riceballs

February 19, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of making riceballs in an armpit.

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

  • Human sweat-infused rice balls fashioned in the armpits of cute Japanese girls become unlikely culinary hit, at a price | South China Morning Post
  • Sweat and Sebum Preferences of the Human Skin Microbiota | Microbiology Spectrum
  • The Microbiota of the Human Skin | SpringerLink
  • The effect of habitual and experimental antiperspirant and deodorant product use on the armpit microbiome [PeerJ]
February 19, 2025 /Don Schaffner
Armpit microbiota, Rice balls, Cross-contamination

A small strawberry sits at the bottom of an absurdly deep kitchen sink garbage disposal filled with a chaotic spiral of countless sharp blades. The exaggerated quantity of blades contrasts humorously with the strawberry’s vulnerability. A big red button labeled "Garbage Disposal" looms in the background, enhancing the scene’s comedic tension.

733. Ben's Garbage Disposal Strawberry

February 14, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating a strawberry that has fallen into a garbage disposal.

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

  • Brach's Candy Cinnamon Imperial Hearts
  • Brach's Candy Tiny Conversation Hearts
  • This time I DIDN'T train a neural net to generate candy hearts - AI Weirdness


February 14, 2025 /Don Schaffner
Strawberry, Cross-contamination, Garbage disposal
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