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Volunteering in late life may protect the brain, research finds

<i>Halfpoint/iStockphoto/Getty Images</i><br/>Volunteering has been associated with better cognitive function
Halfpoint/iStockphoto/Getty Images
Volunteering has been associated with better cognitive function

By Kristen Rogers, CNN

(CNN) — When Celia Barberena retired from a decades-long career in higher education in 2012, she was again presented with the dilemma of what she wanted to do with her life. Some see retirement as a time for waking up late and not feeling any pressure. But Barberena wanted a challenge, something to which she could dedicate her energy — so at 67, she decided that challenge was volunteering.

“If you don’t have stress, good stress, then you decline,” Barberena, a Latina woman living in Pacific Grove, California, said. “You have to have some place where you go think and connect and produce.”

In addition to helping her continue to dedicate her life to helping her community, volunteering also helps keep her mind sharp, Barberena believes. New research backs her up: Volunteering has been linked with better scores on tests of cognitive function, according to research presented Thursday at the Alzheimer’s Association International Conference in Amsterdam.

“Volunteers are cornerstones of all communities and imperative to the success and impact of many organizations,” said Donna McCullough, chief mission and field operations officer at the Alzheimer’s Association, in a news release. “We hope these new data encourage individuals of all ages and backgrounds to engage in local volunteering — not only to benefit their communities, but potentially their own cognitive and brain health.”

Previous studies have found positive links between volunteering and cognitive function. However, when it comes to the new research, “the difference here is that it’s never been shown with a diverse population,” said Maria C. Carrillo, chief science officer of the Alzheimer’s Association, who wasn’t involved in the research.

Forty-four percent of nearly 2,500 participants hadn’t finished college, and when it comes to race or ethnicity, 20% were White, 14% were Hispanic or Latinx, 17% were Asian and 48% were Black. These adults were around age 74 on average and had participated in the Kaiser Healthy Aging and Diverse Life Experiences Study or the Study of Healthy Aging in African Americans.

“Volunteerism in a White community has been shown to be beneficial,” Carrillo said. “The question is, does this replicate into a more diverse cohort?”

Yes, the paradigm does, in fact, exist in diverse communities. Among these adults, volunteering in the year before the study was associated with better scores on tests of executive function and verbal episodic memory, regardless of how they differed in age, sex, education or income.

Executive function involves mental processes that help us plan, focus attention, remember and prioritize tasks. In the latest research, verbal episodic memory referred to a person’s ability to recall details from stories and/or lists of words, said Yi Lor, first author of the research.

Those who volunteered several times per week had the highest levels of executive function.

“This is the first time that the association between volunteering and cognition has been explored in a study cohort that is diverse and represents the different racial/ethnic groups of the US,” said Lor, a doctoral student of epidemiology at the University of California, Davis, via email.

The authors didn’t have details on whether the participants were later diagnosed with Alzheimer’s disease or dementia, just data on cognitive symptoms that have been associated with these diseases. But the research team is following the participants as they age to determine whether volunteering is also associated with reduced risk of developing them, Lor said.

How volunteering helps the brain

Now 75, Barberena has her hands full — she is chair of the speaker’s committee at her city’s rotary club and a member of the worship associates at her church, where she helps plan services for the whole year. She is also on the board of directors for two local nonprofits: an arts organization for youth and the Blind & Visually Impaired Center of Monterey County, “a near and dear organization because my now deceased husband was vision impaired,” she said via email.

Barberena thinks volunteering helps maintain her cognition by engaging her memory, verbal and reasoning skills, she said. “What also happens is that as a retiree, you become isolated,” she added. “Loneliness and not being able to be in touch with people also leads to depression or anxiety or insomnia, and all of those affect cognition.”

Volunteering has given her purpose, meaning and friends, “which are invaluable to my mental health and overall quality of life,” Barberena said.

This tracks with what experts think could be the reasons behind the research findings. Previous studies have found socializing and physical activity, both often involved in volunteering, to be beneficial for brain health.

Positive connections

Additionally, “it’s the idea of feeling very positive about what you’re doing,” Carrillo said. “That positivity is really a positive feedback loop that helps us. It combats depression, it combats mental health issues — that we might have as we age — that include loneliness.”

If you want to start volunteering, check with hospitals, museums, houses of worship or political committees. If you don’t know what to get involved in, the Alliance on Aging’s peer counseling can help those living in California’s Monterey County find something, Barberena said. The AARP’s Volunteer Portal could help you find opportunities in other states.

If your physical or transportation abilities are limited, “you can do so many things online nowadays,” she added. The AARP’s database of virtual opportunities is one place to look.

Not being able to volunteer all the time doesn’t mean you should avoid it altogether — “even a little bit is good for brain health,” Lor said. “Volunteering can take many forms, so people should find something that they enjoy and gives them personal satisfaction.”

™ & © 2023 Cable News Network, Inc., a Warner Bros. Discovery Company. All rights reserved.

CNN’s Sandee LaMotte contributed to this report.

Article Topic Follows: Health

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