Health & Fit This May Double Your Risk of Dementia, Study Shows
Eye tests predict which Parkinson's patients will develop dementia
UK researchers have found that people with Parkinson's who performed worse on eye tests showed worse cognitive performance 18 months later.UK researchers have found that people with Parkinson's who perform less well in eye tests show worse cognitive performance a year and a half later.
, a general term that describes the impaired ability to remember, think, or make decisions that interferes with doing everyday activities, impacts an estimated 5 million Americans at any given time. However, the cognitive disease is not a normal part of aging, says the . There are a number of risk factors that influence whether or not someone will develop one of the many forms of the disease. Many of them are genetic. However, some are environmental or behavioral. Now, a study published in has found a link between one unhealthy habit and dementia, finding that it can double an individual's chance of developing it. Read on—and to ensure your health and the health of others, don't miss this urgent news: .
People With Dementia Are Twice as Likely to Get Covid, Huge Study Finds
People with dementia had significantly greater risk of contracting the coronavirus, and they were much more likely to be hospitalized and die from it, than people without dementia, a new study of millions of medical records in the United States has found. Their risk could not be entirely explained by characteristics common to people with dementia that are known risk factors for Covid-19: old age, living in a nursing home and having conditions like obesity, asthma, diabetes and cardiovascular disease. After researchers adjusted for those factors, Americans with dementia were still twice as likely to have gotten Covid-19 as of late last summer.
If You Sleep Less, You're More Likely to Get Dementia
Investigators at Harvard-affiliated found that those who get five or less hours of sleep per night are twice as likely to develop dementia than those who slept seven to eight hours per night. Even more, they discovered a link between sleep disturbance and sleep deficiency with overall risk of death.
"Our findings illuminate a connection between sleep deficiency and risk of dementia and confirm the importance of efforts to help older individuals obtain sufficient sleep each night," lead author, Rebecca Robbins of the , explained in a .
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As part of their research Robbins and her team used data collected from 2,610 older adults participating in the National Health and Aging Trends Study (NHATS), a longitudinal study of Medicare beneficiaries 65 years and older. They focused on their sleep-related responses, and then collected information about patient outcomes—including dementia and death—five years post-survey.
They found a variety of sleep related factors influenced chances of developing dementia. For example, routinely taking 30 minutes or longer to fall asleep was associated with a 45 percent greater risk for incident dementia, while "routinely experiencing a difficulty in maintaining alertness, routinely napping, reporting poor sleep quality, and sleeping five or fewer hours per night was also associated with increased risk of death."
Do Processed Meats Cause Dementia?
At this point, it can be easy to ignore headlines on the latest studies claiming that a particular food is “bad” for you—or, conversely, has been canonized as a “superfood.” Most articles on research demonizing a certain kind of food typically follow a pattern: identifying a particular condition everyone’s afraid of, looking at preexisting sets of self-reported data (courtesy of a biobank or other long-term observational study), noticing a possible link between the food in question and the disease, and concluding by pointing out that correlation doesn’t always equal causation, and encouraging people to adopt healthier eating habits regardless.
Sleep Is Good For Your Brain
"This prospective study reveals that sleep deficiency at baseline, when the average age of participants was 76 years old, was associated with double the risk of incident dementia and all-cause mortality over the next four to five years," senior author Charles Czeisler, chief of the Division of Sleep and Circadian Disorders, added. "These data add to the evidence that sleep is important for brain health and highlight the need for further research on the efficacy of improving sleep and treating sleep disorders on the risk of Alzheimer's disease and mortality."
The researchers hope their findings will encourage further studies surrounding sleep and its relationship to dementia and death.
"Our study demonstrates that very short sleep durations and poor-quality sleep in the elderly increase the risk of developing dementia and earlier death. There should be increased focus on obtaining healthy sleep in older adults," second author of the Division of Sleep and Circadian Disorders added.
Warding off dementia isn't the only benefit of getting enough z's. According to the , other benefits include improved immunity, weight management, reduced stress and mood improvement, a clearer mind to improve performance at school and work, better decision making abilities and a decreased risk of accidents, and a lower risk of serious health problems—including diabetes and heart disease. As for yourself: To get through this pandemic at your healthiest, don't miss these .
This Puts You at Higher Risk of Severe COVID, Says New CDC Study
A new study reinforces that having one condition greatly increases your risk of having severe COVID-19: Obesity. In the study, the Centers for Disease Control and Prevention looked at more than 148,000 people who'd been treated for COVID-19 at 238 U.S. hospitals between March and December 2020. Of this group, 28.3% were overweight and 50.8% had obesity. Read on—and to ensure your health and the health of others, don't miss these Sure Signs You've Already Had Coronavirus.
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5. You Experience Nausea and Vomiting, Especially After Eating Fatty Foods
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8. You Suddenly Get Diabetes
9. You've Just Unexpectedly Lost Weight
Household chores could help prevent dementia, study claims .
Scientists have found that simple household chores - including cleaning, tidying, cooking and gardening - increase brain volume, which can help prevent dementia.Canadian scientists found older adults who spent more time on household chores showed greater brain size – a strong predictor of cognitive health.