Chewing Gum (TV series) Chewing Gum (TV series) Chewing Gum is a British television sitcom set in London. It was written by and stars Michaela Coel, alongside the cast of Robert Lonsdale, Susan Wokoma, Danielle Walters and Tanya Franks. The show features 24-year-old shop assistant Tracey Gordon, a restricted, religious virgin, who wants to have sex and learn more about the world. The show won the BAFTA for Best Female Performance in a Comedy Programme and Breakthrough Talent for Michaela Coel for her work on the show. The first series debuted on E4 on 13 October 2015, and in the US with Netflix on
Chewing gum upon enamel that has been reduced by adding calcium lactate to food. Calcium lactate added to toothpaste has reduced calculus formation. One study has shown that calcium lactate enhances enamel remineralization when added to xylitol-containing gum, but another study showed no additional remineralization benefit from calcium lactate or other calcium compounds in chewing-gum. Other studies indicated that the caries preventive effect of chewing sugar-free gum is related to the chewing process itself rather than being an effect of gum sweeteners or additives, such as polyols and carbamide. A study investigated the in situ effect of casein phosphopeptide–amorphous calcium phosphate (CPP–ACP)