Did You Know? Bananas Are Radioactive, But Bigger Exposure Risks Surround You

Focus on home radon testing—not changing your diet—because background sources vastly outweigh any exposure from naturally radioactive foods.

glowing bananas_talissa via AdobeStock_543583824.png

Photo by talissa via Adobe Stock

LUBBOCK, Texas (RFD-TV) — Hearing “radioactivity in food” sounds scary, but the key is scale. However, there are much higher risks to farm families where we live and work: indoor radon. Compared with these ever-present sources, the contribution from foods is trivial.

Many foods contain trace amounts of naturally occurring radionuclides—most notably bananas and Brazil nuts—yet these levels are so low that they pose no health risk.

Radon is often the most significant routine exposure to radioactive material in many homes, particularly in basements and older farmhouses. You also receive radiation from cosmic rays (higher at elevation and when flying), natural radiation in soil and building materials, and the potassium that all human bodies carry.

Federal safeguards provide an additional layer of protection. FDA routinely monitors and enforces strict limits on foods, and the EPA provides clear guidance during any radiological event.

Do not confuse natural radioactivity with food irradiation—a safety step that kills bacteria and does not make food radioactive. Outside of an emergency, no special food actions are needed; the most practical step for rural households is to test for radon and follow local guidance if levels are high.

Farm-Level Takeaway: Focus on home radon testing—not changing diets—because background sources dwarf any exposure from naturally radioactive foods.
Related Stories
CoBank Lead Grains Economist Tanner Ehmke joins us to share insight and concerns over current grain storage capacity as export demand lags.
FarmHER Annaliese Wegner joined us to dish about her episode of Dirt Diaries, talk about her own podcast, and other exciting moments ahead for Ag’s Most Okayest Farm Girls.
Dr. Jeffrey Gold discusses eye protection and injury prevention in everyday agricultural activities on Rural Health Matters.
Bright Star Ranch continues to offer hope, connection, and healing through its equine therapy programs.
Treat financial stress as a health risk—know the warning signs, normalize conversations, and connect farm families to local and national support early.
Wed, 10/15/25 – 7:30 PM ET | 6:30 PM CT | 5:30 PM MT | 4:30 PM PT

Tony St. James joined the RFD-TV talent team in August 2024, bringing a wealth of experience and a fresh perspective to RFD-TV and Rural Radio Channel 147 Sirius XM. In addition to his role as Market Specialist (collaborating with Scott “The Cow Guy” Shellady to provide radio and TV audiences with the latest updates on ag commodity markets), he hosts “Rural America Live” and serves as talent for trade shows.

LATEST STORIES BY THIS AUTHOR:

Bigger flocks are rebuilding egg and poultry supply.
Tight supplies are driving stronger early-year cattle prices.
Tony Adkins with Specialty Risk Insurance addresses current market challenges for farmers and ranchers and offers strategies to help producers navigate risk.
Acreage shifts could impact pricing and marketing plans.
Herd growth and exports supporting dairy outlook.
Strong exports continue to support corn despite larger supplies.
Rural Lifestyle & Entertainment Shows
Twisted Skillet brings a straightforward, hands-on approach to kitchen television, rooted in food and fire. Hosted by Texas chef Sean Koehler, the series explores open-fire outdoor cooking techniques, regional ingredients, and the people who raise, prepare, and inspire the food found across America.
Brought to you by Gus Arrendale & Springer Mountain Farms, join dynamic bluegrass duo Dailey & Vincent as they welcome scores of fabulous bluegrass, country, and gospel music acts as special guests. Loads of laughs, your favorite guests galore, and lots of good times are guaranteed. Don’t miss all the fun!
Join popular polka performer Mollie Busta as she hosts the weekly “Mollie B Polka Party” on RFD Network! The one-hour program features the nation’s top polka bands and a wide variety of ethnic styles, recorded on location at music festivals across the country.
Celebrating 16 Consecutive Seasons on RFD Network! “The Penny Gilley Show,” starring “The Sweetheart of Country Music” herself, Penny Gilley.
SharkFarmer TV is the brainchild of Rob Sharkey, a 5th-generation farmer from Illinois. He shares the stories of incredible people in agriculture—both their successes and perhaps a few blunders along the way. You’ll see aerial footage of the field just as the drone crashes into a barn—and hear the story behind it all.