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Light exercise can yield significant cognitive benefits, new research shows

Everyday physical activity significantly enhances cognitive health, reversing four years of cognitive aging, according to a Penn State study highlighting movement’s importance of exercise for mental benefits.

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Jonathan G. Hakun, Penn State

Exercise

Everyday physical activity, like going for a short walk or playing with the kids, may provide short-term benefits for cognitive health, equivalent to reversing four years of cognitive aging. That was a key finding for my colleagues and me in our new study, which was published in the journal Annals of Behavioral Medicine.

Prior to enrollment into a study of diet and dementia risk, we asked a diverse sample of 204 middle-aged adults to check in five times per day for a period of nine days, via a smartphone application.

Each check-in involved completing a brief survey that asked about their mood, dietary choices and whether they engaged in any physical activity in the roughly three and a half hours leading up to the survey. In addition, participants completed a few brief brain games – meaning performance-based cognitive assessments that lasted about one minute each – to assess mental speed and short-term memory.

My team found that performance on our measure of cognitive processing speed improved during check-ins when participants reported being physically active in the time leading up to the survey. While we didn’t see improvements in our measure of working memory, the time taken to complete the memory task mirrored what we saw for the measure of processing speed.

We observed these improvements in speed regardless of whether the activity was lighter intensity or moderate-to-vigorous intensity. This led us to conclude that movement, whether it took the form of intentional exercise or part of a daily routine, was the essential ingredient for achieving this benefit.

Why it matters

As a rule, we get slower, both physically and mentally, as we age. While research on exercise and living a healthy lifestyle has demonstrated the long-term cognitive and brain health benefits of remaining physically active, much of this work has focused on the moderate- to vigorous-intensity physical activity – or what most of us think of as exercise – recommended by the Physical Activity Guidelines for Americans.

Still, these guidelines and other experts recommend that adults move more and sit less.

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My colleagues and I are interested in understanding how moving more can improve our cognitive health or reduce our risk of dementia as we age, at what timescale these benefits show up, and what types of movement qualify. https://www.youtube.com/embed/lk3mrNqhn24?wmode=transparent&start=0 Exercise promotes blood circulation and the growth of neurons.

What still isn’t known

Our study relied on participants to report whether they had been physically active during the time between each check-in. Even though participants were provided training on how to think about the intensity levels, it’s possible that each participant had a slightly different perception of their activities.

For example, a participant may not have believed their recent walk actually qualified as a moderate-intensity activity. Physical activity monitors that can dissociate time and intensity might help future research unravel these associations more clearly.

What’s next

It isn’t yet clear whether these short-term benefits accumulate over time to result in long-term improvements in brain health and dementia risk reduction. Research efforts are underway by our team to better understand these associations over broader timescales.

My research involves data collection via smartphones and wearable devices to help us better understand how health-promoting behaviors and cognitive health interact as we age. This type of digital approach allows my team to pursue questions about how everyday behavior and experience influence cognition in daily life and represents a significant methodological advancement in the dementia risk and prevention research space.

Using these tools, we aim to better identify individuals at risk for negative cognitive outcomes and new targets for dementia prevention.

Jonathan G. Hakun, Assistant Professor of Neurology, Psychology, & Public Health Sciences, Penn State

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This article is republished from The Conversation under a Creative Commons license. Read the original article.

Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.


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Newsweek Names Delta Dental of California One of America’s Greatest Workplaces for Diversity 2025

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Annual ranking recognizes companies fostering inclusion and championing diversity based on anonymous employee feedback, public data, and third-party research.

SAN FRANCISCO /PRNewswire/ — Delta Dental of California and Affiliates, the leading dental insurance provider, has been recognized by Newsweek as one of America’s Greatest Workplaces for Diversity in 2025. This distinguished award is presented by Newsweek and Plant-A Insights Group to recognize U.S. companies across industries that prioritize fostering diversity and inclusive workplace cultures.

Delta Dental
Newsweek names Delta Dental of California one of America’s Greatest Workplaces for Diversity in 2025.

“Our people are our greatest asset,” said Brian Sherman, executive vice president and chief people officer of Delta Dental of California and Affiliates. “This recognition reflects our deep commitment to Diversity, Equity, and Inclusion programs that support and celebrate the unique perspectives and contributions of our employees.”

America’s Greatest Workplaces for Diversity is an annual ranking determined by a rigorous evaluation of public data, HR insights, and anonymous employee surveys. The list honors organizations with over 1,000 employees that demonstrate a meaningful commitment to offering distinctive company cultures inclusive of backgrounds and demographics, including age group, race, cultures, and sexual orientations. Research suggests about 80 percent of U.S. workers believe it’s important for companies to create inclusive cultures.

“As companies in the United States continue to navigate the evolving dynamics of the workplace, diversity remains a cornerstone of organizational success and social responsibility,” said Nancy Cooper, global editor in chief of Newsweek. “Newsweek and market-data research firm Plant-A Insights are proud to introduce ‘America’s Greatest Workplaces for Diversity 2025,’ highlighting companies committed to building inclusive workplaces.”  

Delta Dental of California received a rating of 4.5 out of 5 stars for its Diversity, Equity and Inclusion practices in 2024. The company has also been recognized with other Newsweek accolades, including America’s Greatest Workplaces 2023,  America’s Greatest Workplaces for Diversity 2023, and Americas Greatest Workplaces for Parents and Families 2023.

Delta Dental is committed to providing consistent, quality access to oral health care, improving education and driving lasting policy changes to address systemic issues. To learn more about what makes Delta Dental of California and Affiliates one of the best employers in the U.S., visit our career page.

About Delta Dental of California and Affiliates

Since 1955, Delta Dental of California and Affiliates has offered comprehensive, high-quality oral health care coverage to millions of enrollees and built the strongest network of dental providers in the country. The Delta Dental of California enterprise includes its affiliates Delta Dental Insurance Company, Delta Dental of Pennsylvania, Delta Dental of New York, Inc., as well as the national DeltaCare USA network, and provides dental benefits to more than 31 million people across 15 states and the District of Columbia.* All are members of the Delta Dental Plans Association based in Chicago, Illinois, the not-for-profit national association that through a national network of Delta Dental companies collectively covers millions of people nationwide. Delta Dental is a registered trademark of Delta Dental Plans Association.

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For more information about Delta Dental of California and Affiliates, please visit www.deltadentalins.com

*Delta Dental of California and Affiliates’ operating areas encompass Alabama, California, Delaware, Florida, Georgia, Louisiana, Maryland, Mississippi, Montana, Nevada, New York, Pennsylvania, Texas, Utah, West Virginia and the District of Columbia, as well as Puerto Rico and the Virgin Islands.

SOURCE Delta Dental of California

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Biden helped bring science out of the lab and into the community − emphasizing research focused on solutions

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Biden began his presidency in the throes of the COVID-19 pandemic. Evan Vucci/AP Photo

Arthur Daemmrich, Arizona State University

President Joe Biden was inaugurated in January 2021 amid a devastating pandemic, with over 24 million COVID-19 cases and more than 400,000 deaths in the U.S. recorded at that point.

Operation Warp Speed, initiated by the Trump administration in May 2020, meant an effective vaccine was becoming available. Biden quickly announced a plan to immunize 100 million Americans over the next three months. By the end of April 2021, 145 million Americans – nearly half the population – had received one vaccine dose, and 103 million were considered fully vaccinated. Science and technology policymakers celebrated this coordination across science, industry and government to address a real-world crisis as a 21st-century Manhattan Project.

From my perspective as a scholar of science and technology policy, Biden’s legacy includes structural, institutional and practical changes to how science is conducted. Building on approaches developed over the course of many years, the administration elevated the status of science in the government and fostered community participation in research.

Raising science’s profile in government

The U.S. has no single ministry of science and technology. Instead, agencies and offices across the executive branch carry out scientific research at several national labs and fund research by other institutions. By elevating the White House Office of Science and Technology Policy to a Cabinet-level organization for the first time in its history, Biden gave the agency greater influence in federal decision-making and coordination.

Formally established in 1976, the agency provides the president and senior staff with scientific and technical advice, bringing science to bear on executive policies. Biden’s inclusion of the agency’s director in his Cabinet was a strong signal about the elevated role science and technology would play in the administration’s solutions to major societal challenges.

Under Biden, the Office of Science and Technology Policy established guidelines that agencies across the government would follow as they implemented major legislation. This included developing technologies that remove carbon dioxide from the atmosphere to address climate change, rebuilding America’s chip industry, and managing the rollout of AI technologies.

Close-up of gloved hand holding square semiconductor chip
The CHIPS and Science Act of 2022 boosted research and manufacture of semiconductor chips in the U.S. Narumon Bowonkitwanchai/Moment via Getty Images

Instead of treating the ethical and societal dimensions of scientific and technological change as separate from research and development, the agency advocated for a more integrated approach. This was reflected in the appointment of social scientist Alondra Nelson as the agency’s first deputy director for science and society, and science policy expert Kei Koizumi as principal deputy director for policy. Ethical and societal considerations were added as evaluation criteria for grants. And initiatives such as the AI bill of rights and frameworks for research integrity and open science further encouraged all federal agencies to consider the social effects of their research.

The Office of Science and Technology Policy also introduced new ways for agencies to consult with communities, including Native Nations, rural Americans and people of color, in order to avoid known biases in science and technology research. For example, the agency issued government-wide guidance to recognize and include Indigenous knowledge in federal programs. Agencies such as the Department of Energy have incorporated public perspectives while rolling out atmospheric carbon dioxide removal technologies and building new hydrogen hubs.

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Use-inspired research

A long-standing criticism of U.S. science funding is that it often fails to answer questions of societal importance. Members of Congress and policy analysts have argued that funded projects instead overly emphasize basic research in areas that advance the careers of researchers.

In response, the Biden administration established the technology, innovation and partnerships directorate at the National Science Foundation in March 2022.

The directorate uses social science approaches to help focus scientific research and technology on their potential uses and effects on society. For example, engineers developing future energy technologies could start by consulting with the community about local needs and opportunities, rather than pitching their preferred solution after years of laboratory work. Genetic researchers could share both knowledge and financial benefits with the communities that provided the researchers with data.

Fundamentally, “use-inspired” research aims to reconnect scientists and engineers with the people and communities their work ultimately affects, going beyond publication in a journal accessible only to academics.

The technology, innovation and partnerships directorate established initiatives to support regional projects and multidisciplinary partnerships bringing together researchers, entrepreneurs and community organizations. These programs, such as the regional innovation engines and convergence accelerator, seek to balance the traditional process of grant proposals written and evaluated by academics with broader societal demand for affordable health and environmental solutions. This work is particularly key to parts of the country that have not yet seen visible gains from decades of federally sponsored research, such as regions encompassing western North Carolina, northern South Carolina, eastern Tennessee and southwest Virginia.

Community-based scientific research

The Biden administration also worked to involve communities in science not just as research consultants but also as active participants.

Scientific research and technology-based innovation are often considered the exclusive domain of experts from elite universities or national labs. Yet, many communities are eager to conduct research, and they have insights to contribute. There is a decades-long history of citizen science initiatives, such as birdwatchers contributing data to national environmental surveys and community groups collecting industrial emissions data that officials can use to make regulations more cost effective.

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Going further, the Biden administration carried out experiments to create research projects in a way that involved community members, local colleges and federal agencies as more equal partners.

Hand-drawn signs displayed on a fence against a green field, with messages about climate change around a sign that reads 'It's our future'
Collaboration between the community, academia, industry and government can lead to more effective solutions. Deb Cohn-Orbach/UCG/Universal Images Group via Getty Images

For example, the Justice40 initiative asked people from across the country, including rural and small-town Americans, to identify local environmental justice issues and potential solutions.

The National Institutes of Health’s ComPASS program funded community organizations to test and scale successful health interventions, such as identifying pregnant women with complex medical needs and connecting them to specialized care.

And the National Science Foundation’s Civic Innovation Challenge required academic researchers to work with local organizations to address local concerns, improving the community’s technical skills and knowledge.

Frontiers of science and technology policy

Researchers often cite the 1945 report Science: The Endless Frontier, written by former Office of Scientific Research and Development head Vannevar Bush, to describe the core rationales for using American taxpayer money to fund basic science. Under this model, funding science would lead to three key outcomes: a secure national defense, improved health, and economic prosperity. The report, however, says little about how to go from basic science to desired societal outcomes. It also makes no mention of scientists sharing responsibility for the direction and impact of their work.

The 80th anniversary of Bush’s report in 2025 offers an opportunity to move science out into society. At present, major government initiatives are following a technology push model that focuses efforts on only one or a few products and involves little consideration of consumer and market demand. Research has repeatedly demonstrated that consumer or societal pull, which attracts development of products that enhance quality of life, is key to successful uptake of new technologies and their longevity.

Future administrations can further advance science and address major societal challenges by considering how ready society is to take up new technologies and increasing collaboration between government and civil society.

Arthur Daemmrich, Professor of Practice in the School for the Future of Innovation in Society, Arizona State University

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This article is republished from The Conversation under a Creative Commons license. Read the original article.

The science section of our news blog STM Daily News provides readers with captivating and up-to-date information on the latest scientific discoveries, breakthroughs, and innovations across various fields. We offer engaging and accessible content, ensuring that readers with different levels of scientific knowledge can stay informed. Whether it’s exploring advancements in medicine, astronomy, technology, or environmental sciences, our science section strives to shed light on the intriguing world of scientific exploration and its profound impact on our daily lives. From thought-provoking articles to informative interviews with experts in the field, STM Daily News Science offers a harmonious blend of factual reporting, analysis, and exploration, making it a go-to source for science enthusiasts and curious minds alike. https://stmdailynews.com/category/science/


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Health

Know These 4 Core Factors to Avoid a Heart Health Syndrome

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(Family Features) In the U.S., 1 in 3 adults is at risk for a newly recognized syndrome that comes from a combination of heart disease, kidney disease, type 2 diabetes and excess body weight. This cluster of conditions, called cardiovascular-kidney-metabolic (CKM) syndrome, is an example of how problems in one part of your body can affect other parts.

To avoid CKM syndrome, health experts suggest paying close attention to four of the American Heart Association’s Life’s Essential 8 – blood pressure, lipids, body weight and blood sugar level – which are core health factors that impact your metabolic health.

Good metabolic health means your body uses energy well and keeps these factors in a normal range. However, when numbers are off in one area, it can affect others, raising your risk for heart disease, stroke, kidney disease and diabetes.

Consider these tips from the American Heart Association to help keep your core health factors under control.

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Blood Pressure
High blood pressure, also known as hypertension, happens when the force of your blood pushing against the walls of your blood vessels is too high. High blood pressure is a leading cause of heart disease, stroke and kidney disease.

Because high blood pressure doesn’t have symptoms, the only way to know you have it is to get your blood pressure checked. Healthy blood pressure is below 120/80. If your blood pressure is 130/80 or higher, talk to your doctor about checking your other core health factors.

Lifestyle changes can help reduce high blood pressure. One example is a Dietary Approaches to Stop Hypertension (DASH) eating pattern that’s low in fat and rich in fruits, vegetables, whole grains and low-fat dairy products. Losing 10 pounds and reducing alcohol consumption can also reduce blood pressure.

Cholesterol
Cholesterol is a waxy substance your liver makes then circulates in the blood where your body uses it to build cells and make vitamins and hormones. You may also get cholesterol from eating animal products. If there’s too much cholesterol circulating, your risk of type 2 diabetes, heart disease and stroke may increase.

For optimal CKM health, your LDL cholesterol should be below 100 and triglycerides below 150. Triglycerides are the most common type of fat in the body. If your triglyceride level is 135 or higher, talk to your doctor about decreasing your risk.

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Losing body weight and increasing physical activity decrease triglyceride levels. In addition, DASH and Mediterranean (plant-based, high-fiber, low-fat) eating patterns support healthy LDL and triglyceride levels.

Body Weight
Healthy weight may be determined by body mass index (BMI), a number that represents your weight in relation to your height. Extra body fat can mean a higher risk for many health problems, including heart disease, stroke, high blood pressure, high cholesterol and diabetes.

CKM syndrome starts when BMI is 25 or higher and waist circumference is 88 centimeters or higher for women and 102 centimeters or higher for men. Aim for a BMI between 18.5-25.

To lose weight and keep it off, start by setting realistic goals. Understand how much and why you eat, manage portion sizes, make smart snack substitutions and be physically active.

Blood Sugar
High blood sugar can slowly damage the kidneys. In fact, diabetes is the leading cause of kidney disease, and it increases the risk of heart attack and stroke.

Blood sugar is measured in two ways: a fasting blood glucose test (short term blood sugar) and an A1C test (long term blood sugar control). A normal fasting blood glucose level is 70-99 and a normal A1C level is below 5.7%. Fasting blood glucose above 125 and A1C of 6.5% or higher means you have diabetes.

Habits that help you avoid high blood pressure, weight gain and high cholesterol also keep your blood sugar in check. These are especially important if you have a family history of diabetes.

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Learn more about CKM syndrome and how to manage your risk at heart.org/CKMhealth.

Photos courtesy of Shutterstock

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SOURCE:
American Heart Association


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