Does toothpaste break the fast when time-restricting your eating?
That first bite of food that we take after an overnight fast signals the body's circadian clocks to begin their day. But what about other things we might put in our mouth, such as toothpaste? As long as we don't swallow, the use of toothpaste should raise no concerns. In this clip, Dr. Satchin Panda quells concerns that toothpaste might start the circadian clock.
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