Aging

A large study concludes that atrial fibrillation does, indeed, raise the risk of dementia even in people who did not have a stroke and that anticoagulants may reduce this risk. An irregular heartbeat may be a sign of A-fib, which may, in turn, raise dementia risk. Atrial fibrillation (A-fib) is a condition in which the
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Researchers reveal a marker and new testing tool of frontotemporal dementia that may help distinguish this condition from Alzheimer’s disease. ‘Moral emotions’ are ones that prompt us to do good and contribute to pro-social behavior and cooperation. Frontotemporal dementia (FTD) is a less common form of dementia than Alzheimer’s. Sometimes called Pick’s disease or frontal
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New research in mice uncovers a previously unknown “pathway toward healthy aging.” A circulating protein from the blood of young mice led to health improvements and visible signs of rejuvenation when researchers gave it to aging mice. Scientists have found an enzyme that might have antiaging properties in humans as it does in mice. As
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Older adults with insufficient vitamin K are likely to be at higher risk for mobility disability, according to new research. New research shows that low levels of vitamin K may restrict mobility in older adults. Dietary sources of vitamin K include kale, spinach, broccoli, and other leafy greens. Some dairy foods also contain vitamin K.
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For many years, specialists believed that people who studied more and kept their brains more active had lower dementia risk. Some recent studies have contradicted this idea. So how is education linked to the evolution of Alzheimer’s disease, if at all? Another study suggests that there is no link between a person’s level of education
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Millions of people die prematurely each year due to noncommunicable diseases, some of the most common of which are cardiovascular diseases. New research from Harvard suggests that three tried and tested interventions could prevent many of those deaths if implemented through global policies. Three global interventions could prevent millions of deaths over the next couple
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There are two major stumbling blocks to developing effective drugs for Alzheimer’s, Parkinson’s, and other diseases that destroy the brain. The first is overcoming the blood-brain barrier, and the second is delivering the drug to a precise location and ensuring that it does not spread to the rest of the brain. New research finds a
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Many factors can cause eyebrow hair loss, including hormonal imbalances, diet, and some skin conditions. Determining the cause of eyebrow hair loss can help a person find the best treatment. Eyebrow hair loss, the medical name for which is eyebrow hypotrichosis, or eyebrow madarosis, can cause a person to notice thinning hair or missing patches
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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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