The world’s oldest people have all kinds of advice for living longer. Their secrets range from staying away from men and believing in the Lord to smoking cigars and eating a ton of pork.
But for Elizabeth Sullivan, a Texas woman who just turned 104, the secret to longevity is Dr Pepper. She’s been drinking three cans a day for about 40 years, she told Forth Worth’s CBS affiliate.
“Every doctor that sees me says they’ll kill you, but they die and I don’t,” she says. “So there must be a mistake somewhere.”
For her 104th birthday, Sullivan got a gift basket from Larry Young, the CEO of Dr Pepper Snapple Group. She also got a cake shaped like a can of Dr Pepper, because obviously.
Read next: Calorie Count Coming Soon to a Can of Guinness Near You
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