Monthly Archives: October 2024

Research Shows Treating Sleep Apnea Leads to Improved Well-being and Happier Relationships

A study scheduled for presentation at the SLEEP 2024 annual meeting has revealed that consistent use of positive airway pressure (PAP) machines by individuals with obstructive sleep apnea can significantly enhance their romantic relationships.

The findings indicate that those who adhere more closely to PAP therapy experience higher satisfaction in their relationships, alongside reduced conflict. Moreover, an increase in sleep efficiency among these patients is also linked to improved relationship satisfaction, as reported by both the individuals affected and their partners.

Wendy Troxel, the study’s lead researcher, emphasises the influence of sleep and sleep disorders on relationship quality. Troxel, a senior behavioural scientist at RAND and a licensed clinical psychologist with an adjunct professorship at the University of Utah, where the research was conducted, highlighted the potential of these insights to motivate individuals suffering from sleep apnea to commit to their treatment plans. In response to the challenges that couples may face in adhering to PAP therapy, Troxel and her team have developed a couples-based treatment strategy named ‘We-PAP’. This approach acknowledges that the sleep patterns of couples are interconnected and aims to assist both patients and their partners in navigating the challenges of PAP therapy together.

The American Academy of Sleep Medicine notes that nearly 30 million adults in the U.S. suffer from obstructive sleep apnea, a chronic condition that causes the upper airway to collapse repeatedly during sleep. Snoring, a primary symptom of sleep apnea, often disrupts partners’ sleep, making it a significant relationship issue. PAP therapy, which sustains the throat open with mild air pressure delivered through a mask, remains a prevalent treatment.

This research involved 36 couples, each consisting of a patient beginning PAP treatment and their partner. Adherence to the therapy was objectively monitored over three months, while sleep quality was assessed using actigraphy—a method that measures sleep duration and efficiency. Both partners in each couple also provided self-reports on their relationship satisfaction and conflict levels.

Troxel stresses the importance of considering sleep quality in evaluations of relationship health, pointing out the broad impacts of sleep on personal well-being. She notes the growing trend of ‘sleep divorces’, where couples choose to sleep separately, and the high rate of actual divorces to underline sleep’s critical role in maintaining healthy relationships. Integrating these insights into treatment and relationship counselling could pave the way for more stable and satisfying partnerships.

More information: Wendy Troxel et al, Breathing Easy Together: How Positive Airway Pressure Adherence Benefits Both Patients and Partners, SLEEP. DOI: 10.1093/sleep/zsae067.0569

Journal information: SLEEP Provided by American Academy of Sleep Medicine

Study Reveals Significant Benefits of Walking for Lower Back Pain

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A groundbreaking study has uncovered that adults who have experienced low back pain can significantly prolong the period before a recurrence by engaging in regular walking. This study, a first of its kind globally, involves nearly 800 million people worldwide who suffer from this common ailment, which is a significant contributor to disability and diminished quality of life.

Low back pain often recurs, with statistics showing that 70% of those who recover from an initial episode will experience a relapse within a year. The recommended approach for managing and preventing back pain includes physical activity and educational strategies. However, many exercise regimens can be prohibitive due to their costs, complexity, and the need for professional oversight.

Researchers at Macquarie University’s Spinal Pain Research Group conducted a clinical trial to investigate whether walking could be a practical, affordable, and accessible treatment option. The study involved 701 adults who had recently recovered from low back pain. These participants were either enrolled in a tailored walking programme complemented by six sessions of physiotherapist-led education over six months or placed in a control group.

The follow-up period for these participants ranged from one to three years, based on their entry into the study, with the findings recently published in a new issue of The Lancet. Professor Mark Hancock, a senior author of the paper and a professor of physiotherapy at Macquarie University, highlighted the significant impact these findings could have on managing low back pain. According to the research, the group that followed the walking programme experienced fewer episodes of activity-limiting pain and enjoyed a median pain-free period of 208 days, in contrast to 112 days in the control group.

Walking is praised for its low cost, universal accessibility, and simplicity, making it an ideal exercise for people of all ages and socio-economic backgrounds. The specific benefits of walking for preventing back pain are believed to include a variety of factors, such as gentle repetitive movements that strengthen spinal structures, muscle relaxation, stress reduction, and the release of endorphins, which enhance mood and well-being. Walking offers numerous other advantages, including better cardiovascular health, increased bone density, weight management, and improved mental health.

Dr Natasha Pocovi, the study’s lead author, pointed out that the walking programme not only extended the participants’ pain-free periods but also proved to be highly cost-effective. It significantly improved the participants’ quality of life, halved their healthcare consultations, and reduced their time off work. Unlike many conventional exercise-based interventions for back pain, which often require group participation, close clinical supervision, and expensive equipment, walking is much more accessible.

The study demonstrates that walking could be scaled up as a preventive measure far more successfully than other exercise forms. With these positive results, the research team is exploring further how this preventive approach could be integrated into routine care for patients with recurrent low back pain, potentially transforming how this everyday health issue is managed globally.

More information: Natasha Pocovi et al, Effectiveness and cost-effectiveness of an individualised, progressive walking and education intervention for the prevention of low back pain recurrence in Australia (WalkBack): a randomised controlled trial, The Lancet. DOI: 10.1016/S0140-6736(24)00755-4

Journal information: The Lancet Provided by Macquarie University

Your Brain’s Ageing Rate Varies Based on Social and Physical Surroundings

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A recent study published in *Nature Medicine*, led by researchers including Dr Daniel Abasolo from the University of Surrey, highlights how economic, pollution-related, or disease-based disparities correlate with accelerated brain ageing in different countries. The research indicates that the rate of brain ageing varies considerably from person to person, which can lead to discrepancies between the biological age of the brain and a person’s chronological age—the actual number of years lived. This variance is influenced by various factors, notably environmental pollutants and social issues such as income and health inequalities. These influences are particularly pronounced in elderly populations and those suffering from dementia, but until this study, the cumulative impact of these factors on brain ageing across various global populations was not well understood.

The team employed cutting-edge ‘brain clocks’, developed through deep learning techniques applied to brain network analysis, to assess brain ageing. Their methodology was tested on a comprehensive dataset encompassing 5,306 participants from 15 countries, including nations from Latin America, the Caribbean (LAC), and others outside of this region. By utilising functional magnetic resonance imaging (fMRI) and electroencephalography (EEG), the researchers were able to measure discrepancies in brain age among both healthy individuals and those with neurodegenerative conditions such as mild cognitive impairment (MCI), Alzheimer’s disease, and frontotemporal lobe degeneration (FTLD).

Dr Abasolo shared that the research demonstrated that higher levels of inequality in a country are linked to more rapid brain ageing, particularly in regions most susceptible to the ageing process. Factors such as socioeconomic inequality, air pollution, and prevalent diseases significantly contribute to this acceleration, with more pronounced effects observed in economically disadvantaged countries. Among those diagnosed with dementia, individuals with Alzheimer’s disease exhibited the most significant gaps in brain age. Additionally, the study revealed sex differences in brain ageing, with women in LAC countries showing more significant gaps, especially those affected by Alzheimer’s. These differences were attributed to biological sex and gender disparities in health and social circumstances. Notably, the findings could not be explained by variations in signal quality, demographic factors, or the methods used to acquire data.

These insights are critical for neuroscience and brain health, offering a deeper understanding of how broad environmental and social factors (collectively referred to as the exposome) interact with the biological processes of brain ageing across diverse populations, both in the context of healthy ageing and dementia. The approach taken in the study introduces a promising new framework for personalised medicine, which is essential for identifying individuals at increased risk of neurodegenerative diseases and crafting targeted interventions to mitigate these risks. Furthermore, the results underscore the importance of integrating the biological impacts of environmental and social factors into public health policies. By addressing issues like socioeconomic disparity and ecological pollution, policymakers have the potential to narrow brain age gaps and foster healthier ageing across different populations.

More information: Sebastian Moguilner et al, Brain clocks capture diversity and disparities in aging and dementia across geographically diverse populations, Nature Medicine. DOI: 10.1038/s41591-024-03209-x

Journal information: Nature Medicine Provided by University of Surrey

Land and Aquatic Pollution: The Hidden Danger to Heart Health

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The study outlines the grave consequences of chemical pollution in soil, water, and air, which are estimated to cause around 9 million premature deaths each year, accounting for 16% of global deaths, with cardiovascular diseases making up half of these fatalities. The health of approximately 3.2 billion people, or 40% of the worldwide population, is jeopardized by soil degradation, while over two billion individuals reside in countries severely impacted by water pollution. Contributing factors to this extensive pollution include deforestation, climate change, airborne dust, excessive fertilizer use, and poorly planned urban areas. Heavy metals, pesticides, and micro- and nanoplastics in the environment contribute to cardiovascular problems by inducing oxidative stress and inflammation and disrupting circadian rhythms.

Exposure to hazardous chemicals like heavy metals, solvents, dioxins, and pesticides, whether encountered in workplaces, through consumer products, or indirectly via environmental contamination, leads to endothelial dysfunction and cardiovascular diseases. Professors Thomas Münzel and Andreas Daiber from the Department of Cardiology at University Medical Mainz emphasize that soil contamination may not be as visibly alarming as air pollution. Still, its impact on cardiovascular health is significant. They point out that pollutants in soil and water can trigger inflammation in blood vessels, increase oxidative stress, and disrupt the body’s natural clock, all of which play critical roles in the atherosclerotic process that could initiate or worsen atherosclerotic disease.

The dangers of airborne dust, particularly dust from deserts like the Sahara, are also highlighted as significant contributors to cardiovascular mortality, with approximately 770,000 deaths annually attributed to this cause. Prof. Jos Lelieveld of the Max Planck Institute for Chemistry warns that climate change models predict an increase in airborne dust and a deterioration in air quality as the planet warms, underscoring the urgent need for comprehensive environmental strategies to combat these effects.

To combat the risks associated with soil and water pollution, the authors suggest crucial interventions such as improving water filtration systems, enhancing air quality management, and adhering to sustainable agricultural practices. These efforts, if implemented effectively, could significantly reduce pollution levels, foster healthier ecosystems, and decrease the prevalence of cardiovascular diseases. This aligns with the European Commission’s vision for zero pollution by 2050, offering hope for a healthier future.

Promoting sustainable urban design and reducing harmful pesticides are also essential steps towards addressing the root causes of environmental pollution. Strengthening global ecological regulations is vital to effectively tackle these issues, ensuring that ecosystems are protected and public health is preserved, particularly from the cardiovascular risks posed by pollution.

Overall, the review underscores the need for cardiologists and health professionals to consider environmental factors that could influence their patients’ cardiovascular risk. It also empowers them to advocate for a broader approach to healthcare that incorporates environmental health. The study serves as a call to action, urging the audience to use their influence to reduce environmental pollutants that have a profound impact on global health, particularly through mechanisms like vascular inflammation and oxidative stress that significantly contribute to cardiovascular diseases.

More information: Thomas Münzel et al, Soil and water pollution and cardiovascular disease, Nature Reviews Cardiology. DOI: 10.1038/s41569-024-01068-0

Journal information: Nature Reviews Cardiology Provided by Max Planck Institute for Chemistry

New Research Links Moderate Coffee and Caffeine Intake to Reduced Risk of Cardiometabolic Illnesses

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According to recent findings published in the Journal of Clinical Endocrinology & Metabolism by the Endocrine Society, regular consumption of moderate amounts of coffee and caffeine may confer a protective effect against the onset of various cardiometabolic diseases, such as type 2 diabetes, coronary heart disease, and stroke.

The research indicates that consistent intake of coffee or caffeine, particularly at moderate levels, correlates with a decreased risk of developing cardiometabolic multimorbidity (CM), defined as the simultaneous presence of two or more cardiometabolic conditions.

As global populations age, the incidence of multiple concurrent cardiometabolic diseases is emerging as a significant public health issue, the study points out.

The findings suggest that coffee and caffeine consumption appear crucial in nearly every stage of CM development.

Dr. Chaofu Ke, M.D., Ph.D., lead author of the study and a faculty member in the Department of Epidemiology and Biostatistics at the School of Public Health, Suzhou Medical College of Soochow University, in Suzhou, China, suggests, “Consuming three cups of coffee daily, or 200-300 mg of caffeine, may assist in lowering the risk of developing cardiometabolic multimorbidity in individuals who do not currently have any cardiometabolic disease.”

The study compares individuals consuming moderate amounts of coffee (three cups per day) or caffeine (200-300 mg per day) with those who consume less than 100 mg of caffeine per day or none at all, finding that moderate consumers had a 48.1% or 40.7% reduced risk, respectively, of new-onset CM.

This research utilised data from the UK Biobank, an extensive and detailed longitudinal dietary study that includes over 500,000 participants aged between 37 and 73 years. The study filtered out participants with unclear data on caffeine intake, leaving a cohort of 172,315 individuals free from any cardiometabolic diseases at the start of the caffeine analysis and 188,091 for the coffee and tea consumption analysis.

The identification of participants’ cardiometabolic disease outcomes was based on self-reported medical conditions, primary care records, linked inpatient hospital data, and death registry records connected to the UK Biobank.

The inverse association between coffee and caffeine intake at all levels and the risk of new-onset CM in participants without pre-existing cardiometabolic diseases was consistent throughout the study. Those who reported moderate intake levels experienced the lowest risk. This moderate intake was inversely linked to almost all stages of CM development.

Dr. Ke concludes, “Our findings underscore the potential benefits of promoting moderate coffee or caffeine consumption as a dietary habit among healthy individuals for the prevention of cardiometabolic diseases.”

More information: Xujia Lu et al, Habitual Coffee, Tea, and Caffeine Consumption, Circulating Metabolites, and the Risk of Cardiometabolic Multimorbidity, The Journal of Clinical Endocrinology & Metabolism. DOI: 10.1210/clinem/dgae552

Journal information: The Journal of Clinical Endocrinology & Metabolism Provided by The Endocrine Society

Sleep Patterns, Cognitive Decline, and Mortality Among Elderly US Residents

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A recently published study titled “Poor Sleep Quality, Dementia Status, and Their Association with All-Cause Mortality Among Older US Adults” features in Volume 16, Issue 17 of the journal Aging, also known under the names “Aging (Albany NY)” and “Aging-US” in indexing databases such as MEDLINE/PubMed and Web of Science, respectively. The publication date of this paper is September 4, 2024.

This research highlights a compelling link between sleep quality and cognitive health, specifically dementia, and their collective impact on mortality rates among older adults in the United States. The study brings to light the critical public health issue of poor sleep quality and limited sleep duration, especially among the elderly. These sleep issues are closely associated with an array of cardiometabolic risks, including obesity, a growing concern given that nearly one-fifth of the adult population suffers from health complications related to inadequate or poor-quality sleep.

The study is the collaborative effort of an esteemed group of researchers: May A. Beydoun, Rio Tate, Michael F. Georgescu, Alyssa A. Gamaldo, Christian A. Maino Vieytes, Hind A. Beydoun, Nicole Noren Hooten, Michele K. Evans, and Alan B. Zonderman. These individuals hail from prestigious institutions such as the National Institute on Aging, Clemson University, the VA National Center on Homelessness Among Veterans, and the University of Texas Health Science Center.

In their detailed examination, the researchers investigated the potential influence of poor sleep quality on the interplay between dementia and the risk of mortality in older adults and whether these relationships vary depending on gender and race. The study’s methodology involved thoroughly analysing demographic data, health histories, and lifestyle choices to accurately assess the broader implications of sleep and cognitive health on longevity.

One of the key findings of this research is that poor sleep quality is directly correlated with an increased risk of mortality. This relationship holds even after adjusting for various lifestyle and health-related factors. Interestingly, the study also revealed that dementia increases mortality risk more significantly among individuals who otherwise report better sleep quality. This increase was notably pronounced among male participants and older White adults.

The implications of these findings are profound, suggesting that interventions aimed at improving sleep quality could potentially mitigate the health risks associated with dementia, thereby extending life expectancy. This research adds a crucial layer of understanding to the complex interactions between sleep, cognitive function, and mortality, underscoring the potential for positive change and the need for comprehensive strategies to address these issues within the public health domain.

By providing these insights, the study not only contributes to the scientific literature but also serves as a call to action for healthcare providers, policymakers, and caregivers. The findings underscore the importance of prioritising sleep quality improvement as an integral part of the healthcare regimen for older adults, particularly those at risk of or currently dealing with dementia. This could ultimately lead to better health outcomes and a reduction in mortality rates among this vulnerable population group.

More information: May A. Beydoun et al, Poor sleep quality, dementia status and their association with all-cause mortality among older US adults, Aging-US. DOI: 10.18632/aging.206102

Journal information: Aging-US Provided by Impact Journals LLC

Listening Devices: Advantages and Obstacles of Voice Assistants for Senior Citizens

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Loneliness has increasingly been recognized as a significant social issue over recent decades, profoundly affecting psychological health and linked to heightened risks of isolation, reduced quality of life, deteriorating health, and elevated mortality rates. This issue is particularly acute among older adults, a group that is especially vulnerable to the effects of loneliness. Recognizing the potential of technology to address this, a research team from the Universitat Oberta de Catalunya (UOC) has explored the effectiveness of voice assistants in mitigating loneliness among older adults. Led by Elena Castro, a doctoral student in Health and Psychology, the team reviewed various studies to determine whether these devices could serve as a viable solution to this escalating societal problem.

The team’s findings were promising, revealing that 85% of the studies analyzed showed significantly reduced loneliness due to using voice assistants. Castro highlighted the importance of these devices in the daily lives of older adults, noting that they provide a sense of social interaction and offer considerable emotional support. Study participants often referred to their voice assistants as friends or companions, attributing human-like qualities to them. This indicates that even non-physical interactions with voice assistants can create meaningful emotional connections, reduce feelings of loneliness, and improve overall well-being.

However, implementing such technology is challenging. Barriers such as unfamiliarity with technology, resistance to change, and mistrust among older adults can hinder adoption. Castro emphasized the need for voice assistants to be tailored to individual needs and enhanced to handle complex conversations to be genuinely effective. Specific training and skill development are crucial for older people to effectively use these devices and incorporate them into their daily lives.

According to the Spanish Media Research Association (AIMC), about 11% of Spain’s population currently uses online voice assistants, with usage rates steadily increasing yearly in Spanish households. This trend underscores this technology’s growing acceptance and integration into everyday life, highlighting its potential to impact social interaction and task execution significantly.

The broader implications of loneliness, especially given an ageing population, extend beyond mere social consequences. Estimates suggest loneliness costs Spain more than €14 billion annually, approximately 1.17% of the country’s GDP. These statistics illustrate loneliness’s profound economic and social impact and underscore the urgency of addressing this issue effectively.

Voice assistants are emerging as valuable tools in the fight against loneliness. These devices not only help with everyday tasks and provide reminders but also offer entertainment, quick access to information, and communication with family and friends. By doing so, they play a crucial role in reducing loneliness and enhancing the quality of life for older individuals.

The World Health Organization now considers loneliness a public health problem, highlighting its severe negative impact on older adults’ physical and mental health, quality of life, and life expectancy. Loneliness is also associated with a variety of health problems, including depression, anxiety, and faster cognitive decline. Therefore, the effective integration of voice assistants could be critical in addressing the loneliness epidemic among older adults.

While commercially available voice assistants hold significant potential to reduce loneliness among older adults, further research is needed to maximize their benefits, explore potential risks, and address ethical considerations. The appropriate training and accessibility accompanying these technologies are essential to ensure they are integrated effectively, adapted to individual needs, and capable of overcoming the initial mistrust that new technologies often generate among older people.

More information: Elena Castro Martínez et al, Voice assistants’ influence on loneliness in older adults: a systematic review, Disability and Rehabilitation. DOI: 10.1080/17483107.2024.2397030

Journal information: Disability and Rehabilitation Provided by Universitat Oberta de Catalunya (UOC)