Zen Eating, with R&D in Israel, has developed the Sipper – a device that trains the tongue to digest food slower, to match the brain’s “I’m full” mechanism. A Sipper user eats up to 30% less food per meal. The training also can cure snoring – a major cause of sleep apnea.
https://www.timesofisrael.com/obesity-sleep-apnea-are-targeted-by-new-straw/