Elizabeth Sullivan just turned 104, but her secret to longevity isn't green tea or regular exercise.
The Fort Worth, TX, woman has been drinking three cans of Dr. Pepper every day for about 40 years, according to CBS Fort Worth.
Sullivan received a cake shaped like a can of the soft drink for her birthday in addition to a gift basket sent by Dr. Pepper Snapple Group CEO Larry Young.
The retired math teacher didn't really give a concrete explanation for how she's maintained her health for so long.
The only advice that came to her mind: