Warren Buffett on Eating Like a Six-Year-Old: A Fact-Check

Warren Buffett says he eats like a six-year-old, five Coca-Colas a day included, because six-year-olds have the lowest death rate. It is a charming line, but the evidence points the opposite way. Large cohort studies link sugar-sweetened soda to higher mortality and a clearly higher risk of type 2 diabetes. Buffett's long life reflects genetics and luck far more than his soda habit, which is the part of his routine least worth copying.

Warren Buffett said

“Buffett argues that because six-year-olds have the lowest death rate, eating like one, including five Coca-Colas a day, is the safest way to live.”

The science says

Refuted: large cohort studies tie regular sugar-sweetened soda to higher, not lower, risk of death and cardiometabolic disease.

Science Score

Backed by large prospective cohorts and pooled analyses linking sugar-sweetened beverages to higher all-cause and cardiovascular mortality and to type 2 diabetes; observational, not randomized.

The verdict

The joke is great and the longevity is real, but the evidence runs the other way: his diet looks like a habit he survived, not one that helped.

The claimWhat Warren actually said

In a 2015 Fortune interview reported here by Entrepreneur, Buffett joked that he eats like a six-year-old because actuarial tables show six-year-olds have the lowest death rate, and said he drinks at least five Coca-Colas a day. He framed his sugary, fast-food-heavy diet as a deliberate, lighthearted choice he enjoys.

Sources

Why it mattersWhy this matters for longevity

Sugar-sweetened drinks are one of the most studied and consistent dietary risk factors for cardiometabolic disease.

A famous person thriving despite a habit is not evidence that the habit helped.

The evidenceWhat the science says

Pooled analyses of the Nurses' Health Study and Health Professionals Follow-Up Study tie higher sugar-sweetened beverage intake to greater all-cause and cardiovascular mortality, and a meta-analysis of over 310,000 people links the highest soda intake to about a 26 percent higher risk of type 2 diabetes.

These data are observational and cannot prove soda alone shortens any one life, and survivors like Buffett show that genetics and overall lifestyle can outweigh a single bad habit, but nothing in the literature supports soda as protective.

TakeawayThe honest takeaway

The practical lesson

Enjoy the occasional soda if you like it, but treat five-a-day as the one part of Buffett's routine not to imitate.

RelatedRelated habits

Daily Soda DrinkingFast-Food BreakfastsHigh Added-Sugar Diets

Each of these is a habit you can build on its own. Explore them through the Topics index.

SupplementsThe supplement angle: Added sugar and water

Support a habit, do not replace one

There is no supplement that offsets a high added-sugar intake; for most people the simplest swap is replacing some sugary drinks with water or unsweetened options, and any bigger dietary change is a conversation with a clinician.

Supplements can support good habits. They do not replace sleep, movement, nutrition, or medical care. Talk with your healthcare provider before starting anything new.

This is educational commentary, not medical advice, and does not imply that Warren Buffett endorses, is affiliated with, or uses Winning Longevity or any product. We critique the claim and the evidence, not the person. Any direct quote is a placeholder until sourced. Talk with a qualified healthcare provider before changing your routine. See our health disclaimer.

Men's Daily 7 Essentials

Whatever Warren does, the boring basics still matter most. One simple daily pack covers the foundational vitamins, minerals, and nutrients a careful diet tends to miss, so the foundation under the habit is handled.

This is our recommendation, not an endorsement by Warren Buffett. Sold by 2ndSprings; we may earn a commission. See our affiliate disclosure.