Teenagers who love chewing, smacking and bubble-popping gum may be giving themselves a headache, according to research by Dr. Nathan Watemberg of Tel Aviv University-affiliated Meir Medical Center. His findings, published in Pediatric Neurology, could help treat countless cases of migraine and tension headaches in adolescents without the need for additional testing or medication.
Dr. Watemberg noticed at Meir’s Child Neurology Unit and clinics that many patients who reported headaches were daily gum chewers. Teenage girl patients were particularly avid chewers — a finding supported by previous dental studies.
He asked 30 patients between six and 19 years old who had chronic migraine or tension headaches and chewed gum daily to quit chewing gum for one month. After a month without gum, 19 of the 30 patients reported that their headaches went away entirely and seven reported a decrease in the frequency and intensity of headaches. To test the results, 26 of them agreed to resume gum chewing for two weeks. All of them reported a return of their symptoms within days.
“Out of our 30 patients, 26 reported significant improvement, and 19 had complete headache resolution,” said Dr. Watemberg. “Twenty of the improved patients later agreed to go back to chewing gum, and all of them reported an immediate relapse of symptoms.”
Aspartame, a common ingredient found in sugarless gum, has long been suspected of causing neurological damage. Prior to the European Food Safety Authority recently declaring the artificial sweetener as safe, studies have suggested it may provoke headaches in susceptible individuals. However, the Israeli researchers believe that the amount of aspartame released in gum is likely to be low because the flavor of gum is typically lost after the first few minutes of chewing. Rather, they believe the likely reason for the link between gum-chewing and headaches is the stress on the TMJ.
“Every doctor knows that overuse of the TMJ will cause headaches,” Dr. Watemberg said in a statement. “I believe this is what’s happening when children and teenagers chew gum excessively.”
A possible explanation for the association that exists between chewing gum and headaches is the stress placed on the temporomandibular joint (TMJ), where the skull and jaw meet. Chewing gum causes unnecessary wear and tear of the cartilage that acts as a shock absorbent in the jaw joints, which can lead to pain and discomfort, Dr. Ben Kim, who is not not involved in the study. told the website Medical Daily.
Gum chewers use eight different facial expression when they chew. If used excessively, this can create chronic tightness in two of these muscles that are located near an individual’s temples. Therefore, the nerves that are on this area of the head feel extreme pressure, which can lead to chronic, reoccurring headaches.
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