That changed saliva you notice before you throw up is the actually signal to throw up. When it reaches your stomach, you throw up.

Spit it out and you won't throw up.

Of course, your body probably has good reason for wanting to throw up, so you likely shouldn't overrule it, but you might want to control the timing until you're in a more convenient place for it....

esophagus to protect from harmful stomach acids coming up.

nauseated these days. I have almost forgotten what it is like to feel normal.

THANKS, TRUMP. I can't prove it's his fault, but why not. Probably.

I'm trying to find a valid source on this. If so, we need to do something right. Now.

It sounds to horrible to be true, so I'm going (until proven otherwise) with fake news.