Over-the-counter preparations, such as Biotene products, can be helpful for long-term dry mouth.

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Now investors are balking at the idea of a long wait before mouth-watering returns materialise.

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That means it might not build up the word-of-mouth needed for the film to keep playing well for very long.

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Thiel puts his money where his mouth is, funding not only early-stage start-up companies but long-shot research into sci-fi inventions.

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People who regularly drink above recommended guidelines are at much greater risk of developing long-term health problems, including liver disease and mouth, bowel and breast cancer, said Alcohol Concern.

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About 40km north, the route curved around the coast of Baie-Sainte-Catherine and headed into the mouth of the Saguenay Fjord, a deep blue, cliff-walled fjord about 105km long, 4km wide and 270m deep that looked like it could have been lifted straight out of Norway.

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Eventually, Word-of-Mouth did its magic, and I had inquiries from my American customers in Manhattan and Long Island.

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