Dizziness of unknown cause may be perception disorder: Perception disorders may throw those affected off balance

Many patients with functional dizziness look back on a long odyssey to numerous doctors, because no organic causes could be found. Now for the first time, an experiment at the Technical University of Munich (TUM) has identified possible causes of the disorder: problems with the processing of sensory-motor signals in the brain that resemble those associated with dizziness due to […]

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Alzheimer’s protein is likely held together with many weak chemical interactions: Model reveals new role for overlooked electron relationships

The chemical interactions that give proteins their shape may be weaker and more numerous than previously recognized. These weak connections provide a new way for researchers to understand proteins that cause disease and help them gain insights into the fundamentals of chemistry. Chemists at the University of Tokyo modeled the building blocks of the protein structure that causes Alzheimer’s disease, […]

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New gene linked to healthy aging in worms

People with the same lifespan do not necessarily have the same quality of life. As we live longer, extending quality of life — “healthspan” — is gaining importance. Scientists at the Okinawa Institute of Science and Technology Graduate University (OIST) have discovered a gene linked with healthy ageing in the roundworm C. elegans, shedding light on the genetics of healthspan. […]

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Body composition shown to affect energy spent standing versus sitting: Findings support increased standing time as a simple way to boost energy expenditure

A person’s body composition could influence the difference between the amount of energy they spend while sitting versus standing, according to new research published in the open-access journal PLOS ONE. Conducted by Francisco J. Amaro-Gahete of the University of Granada, Spain, and colleagues, this work adds to mounting evidence that more energy is expended while standing than while sitting or […]

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Young athletes may need one-year break after knee surgery

After surgical reconstruction of the anterior cruciate ligament, young athletes are now recommended to undergo at least a year’s rehab and thorough testing before resuming knee-strenuous sport. Research shows that those who return to sport relatively soon after surgery incur a highly elevated risk of a second ACL injury. “What’s absolutely essential is to let the rehab take time. Every […]

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How big data can be used for personal health

Scientists at the Stanford University School of Medicine and their collaborators followed a cohort of more than 100 people over several years, tracking the biology of what makes them them. Now, after collecting extensive data on the group’s genetic and molecular makeup, the researchers are piecing together a new understanding of what it means to be healthy and how deviations […]

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Physical and mental health of seniors linked to optimism, wisdom and loneliness: Findings can be used to develop new, health-focused interventions in aging populations

Ten thousand Baby Boomers turn 65 every day. By 2029, the entire generation born between 1946 and 1964 will be at least that old. What happens next concerns millions of Americans. Advancing age is broadly associated with declining cognitive, physical and mental health. In a new study of older adults living independently in a senior continuing care facility, researchers at […]

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Alzheimer’s disease is a ‘double-prion disorder’: Self-propagating amyloid and tau prions found in post-mortem brain samples, with highest levels in patients who died young

Two proteins central to the pathology of Alzheimer’s disease act as prions — misshapen proteins that spread through tissue like an infection by forcing normal proteins to adopt the same misfolded shape — according to new UC San Francisco research. Using novel laboratory tests, the researchers were able to detect and measure specific, self-propagating prion forms of the proteins amyloid […]

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Low scam awareness in old age may be an early sign of impending cognitive decline and dementia

Low scam awareness in older people is associated with risk for developing Alzheimer dementia or mild cognitive impairment in the future. These findings suggest that changes in social judgment occur before changes in thinking or memory are recognizable. Findings from a prospective cohort study are published in Annals of Internal Medicine. Identifying predictors of dementia and mild cognitive impairment is […]

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Ageism linked to poorer health in older people in England

Ageism may be linked with poorer health in older people in England, according to an observational study of over 7,500 people aged over 50 published in The Lancet Public Health journal. Despite the known prevalence of age discrimination and existing evidence that other forms of discrimination, like racism, are linked to poorer health, this is the first study to examine […]

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