Risky or Not?

A short podcast about everyday risks from germs

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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 ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • Jim Nielsen: "My wife came home with a giantโ€ฆ" - 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 ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • 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

DALLยทE 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 ๐Ÿ‘๐Ÿผ
Professor Ben - not risky ๐Ÿ‘๐Ÿผ

  • 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 โ€” Risky or Not?
October 08, 2025 /Don Schaffner
Cross-contamination, Washing, Water, Temperature

DALLยทE image text: A cheerful British man with shoulder-length red-brown hair and a gap-toothed smile washes dishes in a cozy kitchen. He scrubs a soapy plate and places it into a white dish rack, with bubbles clinging to the dishes. Sunlight filters through a window, brightening the warm, homey space.

833. British Dishwashing Method

October 06, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from using the British dishwashing method.

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

  • Bacon Method
  • Instagram
  • Is It Safe To Clean Your Dishes The 'British Way'? Health Experts Explain
  • Three the Hard Way (film) - Wikipedia
  • Human health risk assessment of chloroxylenol in liquid hand soap and dishwashing soap used by consumers and health-care professionals - ScienceDirect
  • Ingestion of bar soap may produce serious injury: clinical effects and risk factors: Clinical Toxicology: Vol 57, No 5
  • What to Know About Dish Soap | Poison Control
October 06, 2025 /Don Schaffner
Dishwashing, Soap, Toxicology

Real Ozzy, fake bat.

832. Biting the Head Off a Bat or Dove

October 03, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from biting the head off a bat or a dove.

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

  • Black Sabbath ~ War Pigs - YouTube
  • War Pigs - Wikipedia
  • Fairies Wear Boots - YouTube
  • Fairies Wear Boots - Wikipedia
  • Did Ozzy Osbourne really bite the head off a live bat?
  • Frontiers | An overview of bats microbiota and its implication in transmissible diseases
  • Bacterial and Parasitic Diseases of Columbiformes - PMC
October 03, 2025 /Don Schaffner
Ozzy Osborne, Bat, Dove, Biting

DALLยทE image text: A white drip coffee maker sits on a beige countertop. The glass carafe is filled with dark coffee, while the clear water reservoir shows a small patch of green algae confined to the bottom left corner. The design is simple, clean, and highlighted by soft, even lighting.

831. Drinking Coffee Made With Water From a Reservoir With a Bit of Algae

October 01, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of drinking coffee made from a coffee maker that has algae growing in the transparent water reservoir.

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

  • The coffee-machine bacteriome: biodiversity and colonisation of the wasted coffee tray leach - PMC
  • Preliminary Investigation on Hygienic-Sanitary Quality of Food Vending Machines - PMC
  • Safety and quality assessment of hot-drinks vending machines in Southern Italy - ScienceDirect
  • Toxic or Otherwise Harmful Algae and the Built Environment
  • Cyanobacteria in fish ponds - ScienceDirect
  • Toxicology of Aquarium Fish - ScienceDirect
October 01, 2025 /Don Schaffner
Toxicology, Algae, Coffee, Water

DALLยทE image: A teenage hockey player in full gear holds up his skate and licks the icy blade. Wearing a black helmet, red jersey, and gloves, he leans in with his tongue touching the blade. The rink background is blurred, emphasizing his focused expression and the unusual act.

830. Eating Skate Ice

September 29, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of eating ice off of your hockey skates.

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

  • Raptors Instagram
  • 571. Hockey Ice Gum โ€” Risky or Not?
  • Ice resurfacer - Wikipedia
  • 316. Using Cups to Scoop Water Out of a Shared Bowl โ€” Risky or Not?
  • How Untreated Water Will Affect The Quality Of Your Ice Surface
  • NHL Unites | NHL.com
  • Microbiological Quality of Packaged Ice from Various Sources in Georgia - ScienceDirect
  • Arena ice quality and perspectives on optimizing performance and addressing emerging challenges - PMC
  • Pablo Torre F*cks Around and Finds Out feat. Pablo Torre | Chapo Trap House - YouTube
September 29, 2025 /Don Schaffner
Hockey, Ice, Cross-contamination

Justinโ€™s actual frosting.

829. Betty Crocker Frosting Stored Out of Refrigeration

September 26, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of storing frosting that says "Cover and refrigerate leftover frosting up to 30 days" at room temperature after opening.

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

  • Justin Ekins on X: "@benjaminchapman @bugcounter would it be risky or not to store this Betty Crocker vanilla frosting out of the refrigerator for, say, 6 months after opening and then use it to frost a cake? https://t.co/k7NDNlSksq" / X
  • Let Them Eat Cake | Chemical Engineering Education
September 26, 2025 /Don Schaffner
Frosting, Water activity, Shelf-life

DALLยทE image text: Four cheerful club members gather around a table piled with dusty, vintage MRE packages. A wooden sign above them reads โ€œVintage MRE Club.โ€ The group smiles with excitement, examining the old rations in a cozy, wood-paneled room that captures the nostalgic and quirky spirit of their unusual hobby.

828. Vintage US Meals, Ready-to-Eat (MREs)

September 24, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of consuming "vintage" (i.e., old) MREs from around the world, but focusing in those from the US.

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

  • Meal, Ready-to-Eat - Wikipedia
  • Ensuring the Safety and Quality of RTE Meals for U.S. Service Members | Food Safety
  • Jeremy Zenlea | LinkedIn
  • Army researchers dug into the effects of MREs on gut health, here's what they discovered | Article | The United States Army
  • Shelf-Stable Food Safety | Food Safety and Inspection Service
  • Mathematical Models for the Effects of pH, Temperature, and Sodium Chloride on the Growth of Bacillus stearothermophilus in Salty Carrots - PubMed
  • Mathematical Models for the Effects of pH, Temperature, and Sodium Chloride on the Growth of Bacillus stearothermophilus in Salty Carrots
September 24, 2025 /Don Schaffner
Meals Ready-to-Eat, MREs, Shelf-life

Screen capture from TikTok

827. Bloated Meat Packages

September 22, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of meat from puffy or bloated packages.

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

  • Basset Hound Bloat Chart
  • 465. Kurtis's Puffy Sausage โ€” Risky or Not?
  • Are "Bloated" Meat Packages Safe? We Asked a Food Safety Expert | The Kitchn
  • TikTok - Always check your meat for this!
  • Modified Atmosphere and Vacuum Packaging of Meat and Poultry Products: Food Reviews International: Vol 18, No 4
  • Advancing sustainability through modified atmosphere packaging (MAP) for fresh food preservation: A critical review - ScienceDirect
September 22, 2025 /Don Schaffner
Spoilage, Meat, Modified atmosphere packaging

A man at a baseball stadium concession stand holds a hamburger, frowning at a messy stack of cheese slices on a tray. Another personโ€™s hand reaches in to grab a slice, emphasizing the communal, slightly unsanitary feel. The baseball field is visible in the background.

826. Ballpark Cheeseburger With Self-Serve Sticky Cheese

September 19, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating Ballpark cheeseburger made with with self-serve sticky cheese handled by others.

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

  • Alexandria Aces Collegiate Summer Baseball Team in Alexandria, Virginia
  • A Study of Staphylococcus Aureus Growth in Model Systems and Processed Cheese - MAGRINI - 1983 - Journal of Food Science - Wiley Online Library
  • High Hand Contamination Rates During Norovirus Outbreaks in Long-Term Care Facilities - PMC
  • State of Handwashing Report.pdf
September 19, 2025 /Don Schaffner
Cross-contamination, Cheese

Figure from Barbut et at., 1987 of hard cooked egg shelf life

825. Air Cooled Hard Boiled Eggs After a Week at Room Temperature

September 17, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from eating air cooled hard boiled eggs after a week at room temperature.

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

  • 775. Coin in Cup for Freezer Safety After Power Outages โ€” Risky or Not?
  • FDA Food Code | FDA
  • 210. Air cooled hard boiled eggs at room temperature โ€” Risky or Not?
  • 467. Rich's Hard Boiled Eggs (With Bra Egg Bonus) โ€” Risky or Not?
  • Hard-Cooked Egg Shelf Life - ScienceDirect


September 17, 2025 /Don Schaffner
Eggs, Hardboiled Eggs, Time temperature control for safety food, Spoilage

ChatGPT image text: A lifeless British admiral from 1800 lies preserved in a wooden barrel filled with brandy, camphor, and myrrh. His ornate naval uniform contrasts with his pale face as eerie fumes rise, creating a haunting, atmospheric scene of death, preservation, and solemn reverence aboard a dimly lit ship.

824. Drinking Horatio Nelson's Embalming Fluid Made With Brandy

September 15, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from drinking drinking Horatio Nelson' embalming fluid made with brandy, with camphor and myrrh.

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

  • Horatio Nelson, 1st Viscount Nelson - Wikipedia
  • Camphor overdose: MedlinePlus Medical Encyclopedia
  • Nelson: A Personal History: Hibbert, Christopher: 9780201624571: Amazon.com: Books
  • Christopher Hibbert - Wikipedia
September 15, 2025 /Don Schaffner
Brandy, Embalming Fluid, Camphor

ChatGPT image text: In a warehouse store, a smiling employee in a red apron offers food samples while a serious professor in a white lab coat studies the setup, arms crossed.

823. Costco Free Food Samples

September 12, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks from consuming Costco free food samples.

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

  • Multistate outbreak of Escherichia coli O157:H7 infections associated with in-store sampling of an aged raw-milk Gouda cheese, 2010 - PubMed
  • Are Costco Samples Safe To Eat? Here's What You Need To Know About Hygiene Practices
  • Coronavirus outbreak prompts Costco to stop serving free samples
September 12, 2025 /Don Schaffner
Costco, Food samples, Allergy, Time temperature control for safety food

ChatGPT image text: A hotel bathroom shows a broken showerhead spilling rusty water into a white tub. Shattered metal pieces lie near the drain as orange-brown stains spread across the porcelain. Chrome fixtures and patterned tiles contrast sharply with the discolored water, emphasizing the sceneโ€™s unsettling mix of damage and contamination.

822. Don's Rusty Shower Event

September 10, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of standing in a hotel bathroom in Athens Greece after a shower head explodes.

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

  • Legionnaires disease in Athens
  • 13th ICPMF
  • About Legionnaires' Disease | Legionella | CDC
  • Legionnaires' Disease - NYC Health
  • CDC Providing a Home for Guests, not Legionella
September 10, 2025 /Don Schaffner
Shower, Legionnaires disease

A blonde Canadian man sits in a bathtub, spitting out red wine after discovering a fly in his glass. He grips a video game controller in his other hand, looking shocked and disgusted. A Canadian flag hangs behind him, emphasizing his nationality amid the tiled bathroom backdrop.

821. Consuming a Fly in Wine, Twice

September 08, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of Consuming a fly in wine, on two different occasions.

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

  • Food Safety Talk 327: You Got It In Two (Live from AFDO 2025) โ€” Food Safety Talk
  • Roderick on the Line - Merlin Mann
  • Wines - 19 Crimes
  • 159. Food, Once a Fly Has Landed on It โ€” Risky or Not?
  • Task Management Software Built For Pros - OmniFocus - The Omni Group
  • 201. Bug in Your Margarita โ€” Risky or Not?
  • 513. 12 Flies in a Soda Dispenser โ€” Risky or Not?
  • Epidemiology Protective Effect of Alcoholic Beverages...
  • A systematic review of human pathogens carried by the housefly (Musca domestica L.) - PMC


September 08, 2025 /Don Schaffner
Wine, Fly, Cross-contamination

A dented aluminum can with โ€œBEERโ€ crossed out by a bold red X and โ€œLACFโ€ beneath it seeps neon green slime from the seam near the closed pull top. The ooze dribbles down the side and pools below, creating a vivid, unsettling contrast against the plain background.

820. "Canning" an Unrefrigerated Low Acid Canned Food

September 05, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of using a beer canning line to package low acid canned food that will not be refrigerated.

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

  • Chumbawamba - Tubthumping - YouTube
  • Iron Heart Mobile Canning | The Leader In Quality Canning
  • Death Wish Coffee Co. Announces Recall of Nitro Cold Brew Cans From Retailers, Online Sales | FDA
  • WO2022082110A1 - C. bot prevention in coffee - Google Patents
  • Canned coffee products sold under 128 coffee roaster names recalled over potential Clostridium botulinum contamination | Food Safety News
September 05, 2025 /Don Schaffner
Beer, Canning, Low acid canned food

DALLยทE image text: A cheerful Canadian-looking professor in a plaid flannel shirt and beanie gives a thumbs-up inside a refrigerator set at 37ยฐF. In the foreground, a clear container holds golden garlic confit, contrasting with the cold, clean interior. His proud expression highlights satisfaction with his perfectly chilled fridge.

819. Storing Garlic Confit in Ben's Refrigerator for Two Weeks

September 03, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of storing garlic confit at 37 ยฐC (in Ben's refrigerator) for two weeks.

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

  • Garlic-in-oil associated botulism: episode leads to product modification. | AJPH | Vol. 80 Issue 11
  • Botulism from Chopped Garlic: Delayed Recognition of a Major Outbreak | Annals of Internal Medicine
  • Outgrowth and Toxin Production by Clostridium botulinum in Bottled Chopped Garlic - ScienceDirect
  • Conservative Prediction of Time to Clostridium botulinum Toxin Formation for Use with Time-Temperature Indicators To Ensure the Safety of Foods - ScienceDirect
  • Current Food Safety Issues of Home-prepared Vegetables and Herbs Stored in Oil
  • Garlic Confit Recipe
  • 78. Garlic Confit โ€” Risky or Not?
  • The Use and Performance of Household Refrigerators: A Review - James - 2017 - Comprehensive Reviews in Food Science and Food Safety - Wiley Online Library
September 03, 2025 /Don Schaffner
Garlic, Botulism, Temperature

ChatGPT: A sad-looking man rests his face in his hands at a table, staring at eight identical glasses of water lined up in front of him. His furrowed brow and downturned mouth suggest reluctance and weariness, as though the task of drinking them all feels overwhelming.

818. Not Drinking 8 Glasses of Water a Day

September 01, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks if you don't drink 8 glasses of water a day.

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

  • Do you really need to drink water? Find out here | TikTok
  • The Water Myth | Office for Science and Society - McGill University
  • | Office for Science and Society - McGill University
  • Effect of Coaching to Increase Water Intake on Kidney Function Decline in Adults With Chronic Kidney Disease: The CKD WIT Randomized Clinical Trial | Urology | JAMA | JAMA Network
  • Hyponatremia - Wikipedia
  • Decoding the Gurus Podcast
  • The Certainty Illusion by Timothy Caulfield: 9780735245884 | PenguinRandomHouse.com: Books
  • Dunningโ€“Kruger effect - Wikipedia
September 01, 2025 /Don Schaffner
Water, Hydration

DALLยทE image text: A Massachusetts beach scene features a bold yellow warning sign. The red header reads โ€œWARNING,โ€ followed by black text stating: โ€œRARE Vibrio vulnificus BACTERIA.โ€ The sign stands prominently in the foreground, while behind it stretch sandy shores, rolling waves, grassy dunes, and a partly cloudy blue sky, creating a stark contrast.

817. Going to the Beach With a Vibrio Alert

August 29, 2025 by Don Schaffner

Dr. Don and Professor Ben talk about the risks of going to the beach with a Vibrio vulnificus alert.

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

  • Department of Public Health alerts public to rare Vibrio vulnificus bacteria in coastal waters | Mass.gov
  • About Vibrio Infection | Vibrio Infection | CDC
  • Quantitative Risk Assessment on the Public Health Impact of Pathogenic Vibrio parahaemolyticus in Raw Oysters | FDA
August 29, 2025 /Don Schaffner
Vibrio, Swimming, Shellfish
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