Aging

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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PET scans that can detect changes in the brain relating to Alzheimer’s disease could improve the diagnosis and medical care of people with dementia and similar symptoms. An innovative type of brain scan may improve care for people with Alzheimer’s disease, dementia, and other forms of cognitive impairment. Investigators came to this conclusion after analyzing
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Dementia — an umbrella term for various neurodegenerative conditions involving memory loss and other forms of cognitive impairment — is hard to treat because its causes remain unknown. Researchers, however, are making painstaking progress. A new approach to dementia research may bring us closer to a treatment, but unexpected challenges could halt this progress. Dr.
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The blood-brain barrier is a protective layer that surrounds the brain. Its main function is to prevent potentially harmful agents from leaking into this organ. However, it can also stop certain therapeutic drugs from reaching their target. Using ultrasound in new ways could open the door to better treatments for conditions that affect the brain.
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A randomized controlled study finds that a diet low in carbs can relieve pain for people who have knee osteoarthritis. Seniors with knee osteoarthritis may benefit from switching to a low-carb diet. Osteoarthritis is the most widespread form of arthritis among older adults in the United States. Knee osteoarthritis, in particular, affects about 10 percent
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Researchers are finding new evidence that exercise — even low-intensity, casual physical activity — can boost brain health in the short- and long-term. Frequent but leisurely exercise can boost brain health. Evidence that exercise can benefit the brain and help maintain cognitive function — including memory — is accumulating. One study, for instance, suggests that
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A parasitic fungus that infects caterpillars and various other insects may hold the key to better treatments for osteoarthritis, a condition characterized by pain and stiffness in a person’s joints. This, at least, is what new research from the United Kingdom suggests. A parasitic fungus could offer an improved treatment for osteoarthritis. Osteoarthritis is the
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New research in mice reveals that an innovative light and sound stimulation therapy can clear toxic plaque buildup in the brain and reduce some of the symptoms of Alzheimer’s disease and impaired cognitive functioning. A light and sound combination therapy could fight off Alzheimer’s symptoms. The hallmarks of Alzheimer’s disease in the brain include the
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According to a small pilot study, moisturizing our skin might reduce the risk of developing a range of chronic conditions, including heart disease, diabetes, and even Alzheimer’s disease. Aging skin may play a role in driving chronic disease. The skin is our largest organ. One of its primary functions, of course, is to protect our
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New research, published in the journal Science Signaling, details the mechanism through which exposure to manganese can trigger protein misfolding in the brain — which may, in turn, lead to Parkinson’s-like symptoms. The findings may enable an earlier diagnosis of the neurological condition. New research helps explain how and why manganese exposure could lead to
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Mushrooms are a much-loved ingredient in cuisines around the world. They are nutritious and especially rich in antioxidants, which protect cell health. Researchers are now asking whether mushrooms can also protect against cognitive decline. Eating mushrooms may help keep cognitive decline at bay. Mushrooms are fascinating. Although some are edible and grocery stores sell them
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Hypertension, or high blood pressure, is a risk factor for several health conditions, including cardiovascular problems, diabetes, and other metabolic issues. However, is high blood pressure always a cause for concern? New findings question that assumption. Having high blood pressure may sometimes have a protective effect. Up to 75 million adults in the United States
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New research uncovers a host of vascular risk factors that may affect the health of our brains as we get older. New research finds that some risk factors that affect the health of our blood vessels can also influence the health of our brains into old age. It is no secret that the global population
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The majority of people with sleep apnea do not receive a diagnosis. However, brain scans have revealed that there may be an association between this condition and a form of dementia. There may be an association between sleep apnea and dementia, according to a recent study. According to the American Sleep Apnea Association (ASAA), an
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