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Avoid Chlorhexidine Mouthwash to Reduce Cavity Risk

Chlorhexidine Mouthwash

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Chlorhexidine gluconate, a mouthwash commonly prescribed by dentists to treat the swelling, redness and bleeding gums of gingivitis, actually increases acidic levels in the mouth, leading to an increase in cavity-causing bacteria, reports a new study from the UK University of Plymouth, published in the journal Scientific Reports. The researchers analyzed saliva and blood samples of 36 healthy people that used the chlorhexidine twice a day for seven days and compared the results to using a placebo for the same amount of time. Other recent research has found that the germicidal mouthwash disrupted the ability of oral bacteria to turn nitrate into nitrite, a key molecule for reducing blood pressure, increasing the risk of higher systolic blood pressure. Chlorhexidine has been used increasingly as a pre-rinse before dental procedures due to COVID-19 concerns.
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Global Brief: Natural Thinking Spending Time in Nature Increases Cognitive Performance
More of our time is spent indoors than ever before. One of the ways by which nature may improve cognitive function (i.e. the acquisition of and goal-oriented use of knowledge) is by improving memory formation and recall, specifically that of short-term or working memory, and goal-oriented or directed attention; the kind that requires focused effort. By comparing and contrasting 13 studies, a team of researchers has shed light on this complex interaction in research published in Frontiers in Psychology. The studies used the backwards digit span task, which requires participants to invert a series of numbers and repeat them back. All demonstrated significantly improved cognition in nature as compared to urban environments. The benefits of studies like this are two-fold: not only are we learning more about how the brain interacts with its environment, but also how to leverage this interaction to lead healthier, more productive and happier lives.
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