The lack of alcohol?
The social connections?
The travel?
The independence?
The answer is probably not one thing.
Browne herself has said she does not know exactly why she has lived so long.
She simply tries to take care of herself.
That may actually be the most scientifically responsible way to understand her story.
Exceptional longevity is not something that can be reduced to one habit.
Two people can follow almost identical lifestyles and have very different health outcomes.
Some people inherit genetic advantages.
Others face serious health problems despite exercising and eating well.
Access to healthcare, living conditions, income, education, environment, relationships, and sheer biological variation can all play a role.
Browne's life therefore should not be presented as a guaranteed recipe for reaching 108.
Instead, it can be viewed as an inspiring example of how several healthy behaviors can coexist with a strong sense of purpose and independence.
Her Story Is Also About Purpose
Perhaps the most important part of Browne's story has nothing to do with food or exercise.
It is purpose.
As a young girl, she wanted to become a teacher.
She pursued that goal despite the barriers of segregation.
She spent three decades teaching children.
After retirement, she found new ways to remain active.
She joined community activities.
She traveled.
She exercised.
She maintained friendships.
She continued reading.
She remained involved with her church and organizations.
She kept a calendar because she had places to go and people to see.
Even at 108, her life appears to have structure.
That matters.
Getting older does not necessarily mean becoming passive.
Aging can mean changing what gives life meaning.
For Browne, independence itself appears to be part of that purpose.
She wants to be able to take care of herself.
She wants to move.
She wants to drive.
She wants to choose where she goes.
She wants to remain engaged.
That determination may be one of the most powerful aspects of her story.
A Woman Who Refuses to Be Defined by Her Age
There is a subtle difference between being old and allowing age to define you.
Susan Young Browne knows exactly how old she is.
She jokes about it.
She celebrates it.
But she does not appear to organize her identity around limitations.
At a group exercise class, she is not simply "the 108-year-old."
She is a participant.
At church, she is a member of the community.
At home, she is independent.
Behind the wheel, she is a driver.
With her family, she is a mother, grandmother, and great-grandmother.
When she reads, she is simply a reader.
When she travels, she is a traveler.
When she exercises, she is someone keeping her body moving.
Her age is one part of her identity.
It is not the whole story.
More Than 100 Years of Change
Consider what 108 years really means.
Browne was born in 1918.
She lived through a period when racial segregation was legally enforced in many parts of American society.
She watched educational opportunities expand.
She saw the country transform through the civil rights era.
She witnessed the rise of modern medicine.
She experienced the transition from a largely agricultural society to an increasingly technological one.
She watched transportation evolve from early automobiles and trains to commercial air travel and modern vehicles.
She saw communication evolve from letters and telephone calls to instant global messaging.
And yet, despite all those changes, some things remained remarkably consistent.
People still need community.
People still want independence.
People still celebrate birthdays.