Swedish study finds tooth extraction may cause partial memory to disappear

a new study by Swedish scientists shows that some of a person's memory is "pulled out" when a sore tooth is pulled outFor the study, researchers at the University of Yumeo in Sweden followed 1,962 volunteers between the ages of 35 and 90 over a 15-year period, comparing the memory ofdentalable-bodied volunteers with the memory ofteethwere all removed and dentures usedScientists found that in all other factors, such as education, age,disease
history, the memory ofable-bodied people was significantly better than those whose teeth were removed"We were surprised by the results ourselves, " said Jan Beridal, an associate professor at Yumoau UniversityThis could be a breakthrough for research into dental conditions and amnesia in older peopleBeridal is a dentist and one of the authors of the reportHe also noted that their study is the first of its kind in humans, and that it has previously been tested in animalsThe results showed that tooth extraction cut off the nerves that lead to the brain, affecting memoryThe results are very much in line with recent studies by Japanese scientists on the relationship between teeth and memory in miceJapanese scientists have found that mice with teeth removed have significantly worse memories than mice with good teethThe study has so far failed to explain how tooth extraction affects memoryIt may be because the teeth have many nerves connected to the brain, and when the teeth are removed, they disappear accordingly(Zhu Liang)