March 26, 2023

Fresh American study shows a fat tongue may be causing millions of Africans to snore loudly at night – See what to do

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Little research has addressed how fat factors into this scenario, though it is believe that the excess tissue could deform the anatomy of the upper airways. 

Quoting the new study, Live Science said to find out how fat buildup in the tongue relates to sleep apnea symptoms, Schwab and his co-authors gathered 67 people with OSA and BMIs greater than 30.0, which is considered obese.

It added: “Through either lifestyle modifications or surgery, the study participants lost about 10% of their overall body weight over the course of six months. The researchers took magnetic resonance imaging (MRI) scans of the participants’ throats and abdomens before and after their weight loss, aiming to observe how the structure of their airways changed. 

“The team also evaluated the severity of the participants’ sleep apnea before and after their weight loss by observing each person in a sleep study. 

“By this measure, the participants’ sleep apnea scores improved by more than 30% after the weight loss — largely thanks to their slimmed-down tongues, the study found. The MRI scans revealed that each participant’s tongue lost significant volume after the person’s weight loss, and the slimmer the tongue, the more their symptoms improved. Only tongue size, and not overall weight loss and volume reduction in other soft tissues, correlated with sleep apnea relief. 

“Several muscles along the walls of the throat and one used for chewing also lost volume, which may have resulted from a reduction in muscle mass or inflammation, the authors theorized.

“Although these changes cleared the upper airways, they were not associated with significant symptom improvement. The tongue appears to be the primary driver of the disorder, at least in this study’s participants. The researchers don’t know yet exactly how the enlarged tongue moves to block the upper airway, but it may be that “it just moves a little bit further back and a little further back … and suddenly, the airway gets smaller, until it collapses,” Schwab said. 

“Understanding the role of tongue fat in OSA could pave the way for new treatments, Schwab added. He and his co-authors suggested that interventions intended to promote overall weight loss (including diets), targeted cold therapies (such as freezing tongue fat cells away) and exercises intended to tone the upper airway could help to reduce tongue fat in sleep apnea patients. 

“The exercises could include repeatedly touching the tongue to the roof of the mouth, or even playing instruments like the Australian didgeridoo, Schwab said. In addition, doctors could screen people of normal weight for excess tongue fat, especially in cases where they may be suffering from unprecedented snoring or sleepiness. For now, this evaluation would require an MRI, but in the future, a 5-minute ultrasound could do the trick, Schwab said”.

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