The function of the glottis is to make several voicing sounds between the vocal folds when they vibrate. Voiceless consonants include the English h, f, s, p, t and k sounds. The glottis functions... The function of the glottis is to make several voicing sounds between the vocal folds when they vibrate. Voiceless consonants include the English h, f, s, p, t and k sounds.
Misophonia sufferers find these sounds more than just mildly annoying. Beginning in late childhood or early adolescence, the condition causes extreme anger, anxiety and terror when a trigger sound, such as chewing gum, is heard.
The increase in energy metabolism is slight and may be explained by the action of chewing itself. Many people find that chewing gum can distract from the emotional or mindless eating which can sabotage diets. Chewing gum can help with weight loss by decreasing hunger and increasing metabolism.