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  • Apple Watch calorie counts far less accurate than heart rate or step tracking, review finds

    Apple Watches and similar wearable devices exhibit significant inaccuracies when estimating calories burned, despite performing well in monitoring heart rate and counting steps. A comprehensive review of 56 studies conducted by researchers at the University of Mississippi found that while fitness trackers are generally reliable for basic metrics, they struggle with energy expenditure calculations—a key [...]

  • Low-calorie diets may increase risk of depressive symptoms, study finds

    Following a low-calorie diet is linked to a heightened risk of depressive symptoms, particularly among men and individuals who are overweight, according to new research. The study, which analysed data from 28,525 adults, found that people on calorie-restrictive diets scored higher on measures of depressive symptoms than those not following any specific dietary plan. Men [...]

  • Lifespan brain study data expected to shed light on cognitive decline

    Researchers have released the full dataset from a decade-long project designed to track brain and cognitive health as people age and distinguish neurologically healthy paths from those indicating a likelihood of decline. The Dallas Lifespan Brain Study (DLBS) combined brain and cognition measures across the adult lifetime, including an expansive range of imaging and tests [...]

  • How older adults adapted to Covid-19

    Public healthcare emergencies, such as the Covid-19 pandemic, can drastically disrupt healthcare systems with long-term repercussions. The effects of such healthcare crises are more pronounced in the ageing population, who are particularly vulnerable to chronic infections and sudden disruptions in healthcare. The Covid-19 outbreak that emerged in December 2019 quickly spread worldwide, and several emergency [...]

  • Unintentional weight loss identified as top predictor of fall risk in elderly

    New research has found that unintentional weight loss is the most significant individual predictor of fall risk among the common signs of frailty. A research team led by first author Ya-Mei Tzeng and corresponding authors Yu-Tien Chang and Yaw-Wen Chang from the National Defense Medical Center studied older adults in Taiwan. The team's findings highlights the [...]

  • Positive mindset about ageing linked to better recovery after a fall

    There is a strong association between an older person’s view of how they are ageing and how well they will physically recover after a fall, according to new research. The research is the first to suggest how important psychological factors may be in post-fall physical recovery. Falls in older adults are a major health concern [...]

  • Muscle quality may hold clues to early cognitive decline

    New research has revealed that phase angle - a measure of muscle quality - is linked to memory performance and dementia risk in middle-aged and older adults. Over the past decade, much research has focused on the connection between skeletal muscle health and cognitive disorders. Scientists have found that sarcopenia, a geriatric syndrome characterised by progressive loss [...]

  • Use of metformin associated with exceptional longevity among older women

    There is increasing interest in finding drugs, known as gerotherapeutics, that can slow ageing and help people live longer. Now, metformin, a common diabetes drug, is being studied because it affects several ageing-related processes. In a multi-institutional study, researchers examined the relationship between metformin use and a longer lifespan among postmenopausal women with type 2 [...]

  • How can we reduce wait times for hip and knee replacement surgeries?

    A co-ordinated referral and team-based care models show promise for reducing waiting times for vital hip and knee replacement surgeries, according to new research. In Canada, there are long wait times for scheduled surgeries, such as hip and knee joint replacements, which can lead to worsening pain and mobility problems and affect overall health. Canada [...]

  • Ageing reduces CAR-T cell effectiveness by impairing metabolism

    As people age, their immune systems become less efficient, posing a challenge for cancer therapies that rely on harnessing immune cells. In a new study published in Nature Cancer, researchers from the University of Lausanne (UNIL), the Lausanne University Hospital (CHUV), the Geneva University Hospitals (HUG) and the Ecole Polytechnique Fédérale de Lausanne (EPFL), show [...]