Risky or Not?

A short podcast about everyday risks from germs

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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 👍🏼
Professor Ben - not risky 👍🏼

  • 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

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

A man in a cozy kitchen stirs golden honey into creamy homemade peanut butter using a wooden spoon. Sunlight streams through a window, casting a warm glow on the glass jar. Peanuts and a honey jar sit nearby on the counter, enhancing the inviting, homemade feel of the scene.

746. Homemade Nut Butter Containing Honey

March 17, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating homemade nut butter containing honey.

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

  • Contamination of Nuts/Nut Butters | Food Safety
  • Water Activity (aw) in Foods | FDA
  • Water content, water activity, water structure and the stability of foodstuffs - ScienceDirect
  • Influence of Water Activity on Foodborne Bacteria — A Review - ScienceDirect
  • Water activity - Wikipedia
  • T. Rex - Bang A Gong (Get It On) (Official Vinyl Video) - YouTube
March 17, 2025 /Don Schaffner
Peanut butter, Honey, Salmonella, Clostridium botulinum, Water activity

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 ☣️
Professor Ben - risky ☣️

  • NACCHO
  • Bacillus sp. R2 α-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 “gluten-free” 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 👍🏼
Professor Ben - not risky 👍🏼

  • Watch the Football! ⚽ | 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

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

he image depicts a cheerful Girl Scout at an outdoor cookie-selling booth. Among the cookies on display, one features a bold hazardous-waste symbol, creating an eerie contrast to the otherwise wholesome scene. The background suggests a typical suburban or park setting, reinforcing the unexpected and unsettling detail.

738. Girl Scout Cookies

February 26, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from Girl Scout Cookies

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

  • Girl Scouts of the USA
  • Danger in the Dough: Unveiling the Toxic Contaminants in Girl Scout Cookies - GMOScience
  • Questions and Answers on Glyphosate | FDA


February 26, 2025 /Don Schaffner
Glyphosate, Toxicology, Girl Scouts, Cookies

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

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 ☣️
Professor Ben - risky ☣️

  • 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

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

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

The image depicts a cyclist in professional gear standing beside their road bike on a scenic route. They are licking an energy chew, preparing to stick it to the bike frame. The background features mountains or countryside, with early morning light setting a serene atmosphere for the long ride ahead.

731. Sticking Energy Chews to a Bike's Frame for Easy Access

February 10, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from sticking energy chews to a bike's frame for easy access.

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

  • Stewie Griffin - Wikipedia
  • Energy Chews | Chewable Energy | GU Energy Labs
  • Outbreak of Campylobacteriosis Associated with a Long-Distance Obstacle Adventure Race — Nevada, October 2012
  • Campylobacteriosis outbreak associated with ingestion of mud during a mountain bike race - PubMed
February 10, 2025 /Don Schaffner
Cycling, Energy chews, Cross-contamination, Mud

The image depicts a person at a table, holding a fork near their mouth with a surprised expression. They are about to accidentally eat sprouts that have fallen off a Chia Pet, which sits nearby with missing greenery. The scene is humorous, lighthearted, and brightly lit.

730. Accidentally Eating Some Seeds or Sprouts From a Chia Pet

February 07, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks posed by accidentally eating some seeds or sprouts from a Chia Pet.

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

  • FAQ - Chia.com
  • Chia Home - Chia.com
  • Ice Spice Chia Pet - Chia.com
  • Chia seed benefits: What you need to know - Harvard Health
  • ISGA – International Sprout Growers Association
  • International outbreak of multiple Salmonella serotype infections linked to sprouted chia seed powder – USA and Canada, 2013–2014 | Epidemiology & Infection | Cambridge Core
  • Physicochemical and Bacteriological Characteristics of Organic Sprouted Chia and Flax Seed Powders Implicated in a Foodborne Salmonellosis Outbreak - ScienceDirect
  • Voluntary Recall of Select Great Value Organic Black Chia Seeds Due to The Possible Presence of Salmonella | FDA
  • US, Canadian authorities recall chia seed powder after Salmonella outbreak | Processing Magazine
February 07, 2025 /Don Schaffner
Sprouts, Seeds, Chia Pet
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