Researchers from Weill Cornell Medicine recently published findings of a study designed to determine the effects of a high-salt diet on the brains of laboratory mice -- or, more technically, the connections between "high dietary salt intake [and] neurovascular and cognitive impairment."

The study's senior author, Dr. Costantino Iadecola, director of the Feil Family Brain and Mind Research Institute (BMRI) and the Anne Parrish Titzell Professor of Neurology at Weill Cornell Medicine, said in a press release, “We discovered that mice fed a high-salt diet developed dementia even when blood pressure did not rise. This was surprising since, in humans, the deleterious effects of salt on cognition were attributed to hypertension.”

The release goes on to note that roughly 90 percent of American adults have a daily sodium intake greater than the 2,300 mg that is recommended.

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More than one-third of U.S. adults aren’t getting enough sleep at night, according to the Centers for Disease Control, and it’s a serious problem. Not only are there physical health problems associated with lack of sleep, but a new study reveals that there may be mental health issues, as well.

A team of researchers that followed a group of 61-year-olds for 12 years revealed that those who spend less time in REM sleep may have a higher risk for eventually developing dementia. Of the 321 adults the team followed, 32 got dementia, with 24 of the cases being Alzheimer’s.

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Consumers are already aware that a lack of sleep can lead to health problems, but a new study cautions against a major health concern associated with too much sleep. The study found a correlation between dementia risk and those who get more than nine hours of sleep every night.

The findings were part of the Framingham Heart Study, which monitored a large group of participants over a ten-year period to monitor for signs of dementia. The team explained in the journal Neurology that those who slept nine hours or more each night were six times more likely to develop dementia over a ten-year period than those who slept less than nine hours.

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