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☆ Anxiety may increase risk of dementia, study finds
▼ + stars: | 2024-07-29 | by ( Kristen Rogers | ) edition.cnn.com time to read: +8 min

ingwervanille/Moment RF/Getty ImagesMore than 55 million people worldwide have dementia, a number expected to increase to 139 million by 2050. Previous studies exploring the relationship between anxiety and dementia have largely measured participants’ anxiety at one point in time, providing mixed conclusions — but how long someone’s anxiety lasts is an important aspect worth considering, the authors argued. Researchers measured participants’ anxiety at the first and second assessments. Someone’s anxiety was considered resolved if they had anxiety only at the time of the first wave. “This study agrees with earlier studies that therapy aimed at alleviating anxiety can help reduce risk for (Alzheimer’s disease).

Persons: ”, Kay Khaing, Glen R, Finney, ” Finney, wasn’t, “, Rudolph Tanzi, Dr, Joel Salinas, Isaac Health, Salinas wasn’t, Tanzi, Khaing, ” Khaing, ” Tanzi Organizations: CNN, American Geriatrics Society, Hunter New, Hunter New England Health, Getty, Australian Department of Health, American Academy of Neurology, McCance, Brain Health, Massachusetts General Hospital, NYU Langone Health, ”, National Alliance, Mental Locations: Hunter New England, Newcastle, Australia, Pennsylvania, Massachusetts, Boston, ” Salinas

☆ Sleep apnea linked to smaller brain volume, study finds
▼ + stars: | 2023-05-31 | by ( Sandee Lamotte | ) edition.cnn.com time to read: +7 min

However, people who snore heavily or who have sleep apnea can experience hundreds of mini-arousals per night — even though they don’t realize it. The study group underwent brain scans, memory tests that were repeated at about 21 months, and an overnight sleep study done at their homes. Severe sleep apnea was associated with worrisome changes in the brains of middle-aged and older adults, a July 2018 study found. “We surmise that hypoxia may also have a deleterious effect on the volume of the regions of the medial temporal lobe. Studies such as these reinforce the need to be assessed by a sleep specialist and treated for sleep apnea.

Persons: ”, Géraldine Rauchs, ” Rauchs, “, Rudy Tanzi, ” Tanzi, Tanzi, Rauchs Organizations: CNN, National Institute of Health, Medical Research, Harvard Medical School, Massachusetts General Hospital Locations: Caen, France, Boston, Massachusetts

☆ Ultraprocessed food may contribute to dementia, study says
▼ + stars: | 2022-12-05 | by ( Sandee Lamotte | ) edition.cnn.com time to read: +6 min

CNN —We all eat them — ultraprocessed foods such as frozen pizza and ready-to-eat meals make our busy lives much easier. If more than 20% of your daily calorie intake is ultraprocessed foods, however, you may be raising your risk for cognitive decline, a new study found. While short of proof, this is robust enough that we should conclude ultraprocessed foods are probably bad for our brains.”There was an interesting twist, however. “Ultraprocessed foods drag diet quality down, and thus their concentration in the diet is an indicator of poor diet quality in most cases,” Katz said. One easy way to ensure diet quality is to cook and prepare your food from scratch, Suemoto said.

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