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Weekend exercise just as good for preventing dementia as daily workouts

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Weekend exercise just as good for preventing dementia as daily workouts
Group of older friends relaxing after exercising

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BOGOTÁ, Colombia — Are you too busy to exercise during the week? Scientists have good news: weekend workouts may be just as effective at protecting your brain health as regular exercise Monday through Friday.

The study, which tracked over 10,000 adults for 16 years, found that “weekend warriors” who exercised just once or twice per week had a 25% lower risk of developing mild dementia compared to those who didn’t exercise at all. This reduction in risk was similar to – and even slightly better than – the 11% lower risk seen in people who exercised three or more times per week.

This discovery could be particularly meaningful for busy working adults who struggle to find time for regular exercise. The research suggests that cramming your weekly physical activity into the weekend could still provide significant protection for your brain as you age.

“To the best of our knowledge, the present study is the first prospective cohort study to show that the weekend warrior physical activity pattern and the regularly active physical activity pattern are associated with similar reductions in the risk of mild dementia,” the study authors, led by Dr. Gary O’Donovan from the University of the Andes, in a media release.

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The study, published in the British Journal of Sports Medicine, is the first of its kind in Latin America to examine how exercise patterns affect dementia risk. While previous research has shown that physical activity can help prevent cognitive decline, most studies have been conducted in wealthy nations in Europe and North America.

The researchers followed 10,033 adults in Mexico City with an average age of 51. At the start of the study, participants were asked about their exercise habits and divided into three groups: those who didn’t exercise, “weekend warriors” who exercised once or twice weekly, and regularly active people who exercised three or more times weekly.

Seniors, older adults enjoying exercise class at gymSeniors, older adults enjoying exercise class at gym
“Weekend warriors” who exercised just once or twice per week had a 25% lower risk of developing mild dementia. (© LIGHTFIELD STUDIOS – stock.adobe.com)

After 16 years, participants took a standard cognitive test called the Mini Mental State Examination (MMSE) to assess their mental function. The results showed that both weekend warriors and regular exercisers performed better on the cognitive tests compared to non-exercisers.

Perhaps most striking was the finding that if all middle-aged adults exercised at least once or twice per week, about 13% of mild dementia cases might be prevented. In Mexico alone, where dementia costs nearly $3.8 billion annually, this could translate to savings of about $378 million per year.

The findings are particularly relevant given that dementia cases are expected to surge from 57 million globally in 2019 to 153 million by 2050. In Latin America, the number of people living with dementia is predicted to triple by 2050.

Paper Summary

Methodology

The researchers recruited participants through door-to-door interviews in two districts of Mexico City. They collected detailed information about exercise habits, education, income, blood pressure, smoking, body mass index, sleep patterns, diet, and alcohol consumption. Sixteen years later, they assessed cognitive function using the Mini Mental State Examination, which tests various aspects of mental ability, including memory, attention, and language skills.

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Key Results

The average cognitive test score was 24.5 for non-exercisers, compared to 25.8 for weekend warriors and 25.6 for regular exercisers. When defining mild dementia as a score of 22 or lower, 26% of non-exercisers met this criterion, compared to only 14% of weekend warriors and 18.5% of regular exercisers. These benefits were similar for both men and women.

Study Limitations

Exercise habits were self-reported rather than measured objectively with devices like fitness trackers. Additionally, the cognitive test used can screen for dementia but isn’t a clinical diagnosis. The study also couldn’t account for physical activity from daily tasks like walking for transportation, which is common in Latin American cities.

Discussion & Takeaways

The study suggests that exercise’s brain-protective effects might work through several mechanisms, including increasing brain-derived neurotrophic factor (a protein that supports brain cell growth) and improving brain plasticity. The findings are particularly relevant for cities like Mexico City, which closes 50 kilometers of roads to vehicles every Sunday for their “Ciclovía Recreativa” program, allowing around 80,000 people to walk, run, or cycle safely.

Funding & Disclosures

The study was approved by the Mexican Ministry of Health, the Mexican National Council of Science and Technology, and the Central Oxford Research Ethics Committee. The data came from the Mexico City Prospective Study, which makes its data available for open-access requests through Oxford University’s Clinical Trial Service Unit.

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Fitness

A new way to exercise is now open at the Smith River Sports Complex

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A new way to exercise is now open at the Smith River Sports Complex

A new fitness court is now open for public use at the Smith River Sports Complex.

The fitness court, located at the Smith River Sports Complex, was completed in partnership with Aetna for its National Fitness Campaign across Virginia. It was created to cater to people ages 14 and older and with multiple levels of fitness in mind by allowing them to move at their own pace.

“We would like to thank Aetna for their support in bringing this important program to our community,” Henry County Director of Parks and Recreation Roger Adams said. “And for recognizing the need to support healthy lifestyles for all Virginians.”

The Smith River Sports Complex Fitness Court is one of the first communities in Virginia selected for the initiative, Adams said.

The fitness court base is a concrete pad with a connecting wall that features different equipment allowing users to work different muscles. The court is separated into seven different sections including: core, squat, push, pull, lunge, agility and bend.

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Some of the different exercises possible on the fitness court include: mountain climbers, pushups, lunges at the lunge station, pullups, burpees and different core exercises.

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“The fitness court is a wonderful example of partnerships across the public and private sectors to help break down barriers to accessible community programming,” Adams said. “Living a healthy lifestyle and taking preventative measures can help reduce the risk of developing chronic yet preventable diseases.”

“By practicing healthy habits through regular exercise on the fitness court with body weight training, individuals could significantly lower their risk of developing these diseases,” Adams said. “A body weight workout enhances coordination, balance and mobility in particular. We encourage everyone to walk, jog and cycle to our new fitness court and spend a little more time outside every day.”

“We know that when your physical health is better, your mental health is also better,” Henry County Board of Supervisors Iriswood District Representative Garrett Dillard said. “When you become a healthier community, that impacts your work, your school, your daily life.”

“We need to do better in Henry County,” Dillard said.

Henry County ranks 119 out of 133 counties in Virginia in terms of health outcomes, the county life expectancy is almost five years less than the state average, 42% of the population is considered obese and 26% of the county population reports having access to exercise opportunities, Dillard said.

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“The key word there is opportunity,” he added. “Yes, we have a fair share of problems, but we also have an opportunity to solve them if we work together.”

“By partnering with Aetna, the National Fitness Campaign … the county is now able to offer free, accessible and high-quality fitness equipment for people of all ages and abilities,” Dillard said. “The fitness court is designed to bring the benefits of exercise to everyone, regardless of fitness level, and its right here in our community.”

Along with the fitness court, users can download the free Fitness Court App which provides a coach-in-your-pocket and enhances the outdoor gym with a digitally supported wellness experience.

The Martinsville-Henry County YMCA also plans to hold classes on the fitness court in the future.

“This is sure to be the first of many initiatives that will encourage healthy habits in our community,” Dillard said. “I encourage everyone to take full advantage of this incredible resource as we work together to improve the health and quality of life for everyone in our community.”

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Fitness

AI-Driven Fitness Applications

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AI-Driven Fitness Applications
Ginkgo Health is preparing to launch its groundbreaking AI-driven fitness application — Ginkgo Active. Designed to deliver tailored exercise plans for managing and preventing chronic conditions, the app uses advanced algorithms to process extensive health data and create individualized prescriptions, targeting balance, strength, and cardiovascular fitness. Set to be available in December, Ginkgo Health’s tool bridges the gap between exercise research and practical implementation. This move addresses a critical need for accessible, preventive healthcare solutions.

By providing dynamic adjustments based on user feedback, Ginkgo Active offers flexibility to accommodate changing needs, such as limited equipment or fluctuating energy levels. Its commitment to personalization ensures each plan evolves with the user’s progress. The app’s gamified design further fosters engagement by turning habit formation into an enjoyable experience.

Image Credit: Ginkgo Health

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High Cardiorespiratory Fitness Linked to Lower Dementia Risk

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High Cardiorespiratory Fitness Linked to Lower Dementia Risk

WEDNESDAY, Nov. 20, 2024 (HealthDay News) — High cardiorespiratory fitness (CRF) is associated with better cognitive performance and lower dementia risk, according to a study published online Nov. 19 in the British Journal of Sports Medicine.

Shuqi Wang, from the Tianjin Medical University in China, and colleagues examined the association of CRF with cognitive function and dementia risk, accounting for genetic predisposition for dementia. A total of 61,214 dementia-free participants within the U.K. Biobank, aged 39 to 70 years, were followed for up to 12 years. The CRF score was estimated using a six-minute submaximal exercise test and divided into age- and sex-standardized tertiles.

The researchers found that high CRF was associated with better global cognitive function compared with low CRF (β = 0.05). Overall, 553 individuals developed dementia during the follow-up period. The incidence rate ratio was 0.60 for all dementia for high CRF versus low CRF; dementia onset was delayed by 1.48 years among people with high versus low CRF. Higher CRF attenuated all dementia risk by 35 percent among those with a moderate/high polygenic risk score (incidence rate ratio, 0.65).

“Our findings suggest that maintaining favorable CRF could be a strategy for the prevention of dementia, even among people with a high genetic predisposition,” the authors write.

Abstract/Full Text

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