Aging

A large new study has found a link between taking various kinds of blood pressure-lowering drugs and a lower risk of dementia among older adults, adding to the discussion around the link between cognitive decline and high blood pressure. People who take blood pressure-lowering medication may have a lower risk of dementia. Dementia is an
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Targeting the gut microbiome — the communities of bacteria and other microorganisms that inhabit the gastrointestinal tract — could be a way to treat a range of age-related conditions. Scientists made this conclusion after investigating the effect of transplanting fecal samples from young to aged mice. Jump-starting the gut bacteria may help people age more
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Clinical trials are underway to test whether rapamycin, a drug that has served as an immune suppressor for decades, could also treat cancer and neurodegeneration. Scientists are also interested in exploring its anti-aging properties. Scientists may have found anti-aging and neuroprotective benefits in an existing immunosuppressant drug. Rapamycin gets its name from Rapa Nui, the
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According to recent research in vitro and in mice, viruses that come into contact with biological fluids acquire a protein coating that renders them more infectious. Moreover, it seems that some viruses that ‘change identity’ in this way may promote neurodegenerative conditions, such as Alzheimer’s. Research shows that viruses can acquire a protein ‘coating’ that
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As people get older, their hair may start to lose volume and thickness. In some cases, thinning hair is linked with diet, nutrient deficiencies, or hereditary hair loss. In most cases, thinning hair is not linked with overall health concerns. However, it can affect people’s mental health and self-esteem. People can try several treatments and
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Currently, diagnosis of Parkinson’s disease relies on a neurologist’s professional opinion. Researchers behind a new study believe that an EEG may be a more effective alternative. New research suggests that an EEG test could help diagnose Parkinson’s disease. Parkinson’s disease affects more than 10 million people worldwide, according to the Parkinson’s Foundation, but no scan
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Research showed that an antibiotic mix impacted the gut bacteria in mice to the point that it slowed the growth and development of Alzheimer’s, but only in males. New research in mice suggests that antibiotics may reduce Alzheimer’s symptoms by impacting the gut bacteria. The study, conducted at The University of Chicago, IL, demonstrated how
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New research shows that older adults who exercise regularly can perform everyday tasks more easily and gain independence. Swimming is a great way to stay fit in older age. Insufficient physical activity causes around 3.2 million deaths worldwide each year, according to the World Health Organization (WHO). These declining levels of physical activity may be
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Following their study in rats, scientists have broken new ground in memory research. The finding concerns how the brain retrieves long-term memory and should open new avenues for investigating and treating Alzheimer’s disease and other causes of dementia. New research in rats has unveiled a brain mechanism that could explain how we retrieve old memories.
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New research identifies changes in the neurochemistry and anatomy of the brain that occur decades before people experience any symptoms of Alzheimer’s disease. Brain changes may occur decades before people experience Alzheimer’s symptoms, accumulating evidence suggests. The fact that more than 35 million people are currently living with Alzheimer’s disease has led some experts to
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Research in mice now shows that a specific cell death mechanism can lead to rheumatoid arthritis. Stopping this mechanism could help prevent this condition from developing, the authors argue. Researchers uncover a key cellular mechanism involved in RA that has potential therapeutic implications. Rheumatoid arthritis (RA) is a chronic autoimmune condition characterized mainly by pain
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Researchers have previously shown that a type of light therapy could potentially reduce toxic proteins that build up in the brain in Alzheimer’s disease. Now, the same team has identified what happens at cell level to achieve this result. A recent study asked why flickering light might help fight Alzheimer’s. In 2016, scientists at Massachusetts
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An international working group of experts has agreed on guidelines to help increase scientific and public awareness about a brain condition that mimics Alzheimer’s disease. The condition is not new but has come to light in recent research and clinical trials. Researchers have identified a misfolded protein in the brain that may be ‘a possible
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A prescription drug already in use for the treatment of high blood pressure could be effective against conditions such as Parkinson’s, Alzheimer’s, and Huntington’s, in which toxic proteins build up in brain cells. Scientists could repurpose felodipine to prevent Parkinson’s disease. Scientists at the University of Cambridge in the United Kingdom and the Guangzhou Institutes
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Increasing muscle strength is good, but increasing muscle power may be even better for enjoying a longer life, according to a recent study. Increased muscle power can improve longevity, new research suggests. Professor Claudio Gil Araújo, who is the director of research and education at Exercise Medicine Clinic — CLINIMEX in Rio de Janeiro, Brazil,
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Alzheimer’s is a relentless disease in which toxic clusters of beta-amyloid protein collect in brain cells. Now, scientists have designed a synthetic peptide, or small protein, that can block beta-amyloid in its early and most harmful stages. New research may have found a way to stop Alzheimer’s-related brain damage in its early stages. The synthetic
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The World Health Organization report that life expectancy has increased by 5 years, but data show inequalities in access to health services among countries. A new global report finds that people are living longer, despite disparities in healthcare access. The World Health Statistics series is an annual snapshot of global health compiled by the World
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Memory can deteriorate naturally, due to age, and even when this process is not related to neurodegenerative conditions, such as Alzheimer’s, it can still affect a person’s quality of life. Now, researchers from Boston University in Massachusetts are exploring ways of fighting age-related memory decline. By resynchronizing brain waves, we could reverse some age-related memory
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Oxidative stress is an imbalance of free radicals and antioxidants in the body, which can lead to cell and tissue damage. Oxidative stress occurs naturally and plays a role in the aging process. A large body of scientific evidence suggests that long-term oxidative stress contributes to the development in a range of chronic conditions. Such
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