Ever notice how a little salt on fries tastes amazing? That’s your brain rewarding you for a helpful mineral. But seawater has about 3.5% salt—that’s ten times saltier than your tears.
Your brain sees a hyper-salty flood and says, "Abort!" The taste isn’t just bad; it’s a warning siren.
What about those animals that love it?
Seals and sea lions drink salt water like it’s lemonade. How do they do it? They have supreme kidneys that filter out the extra salt like a pro.
We humans? Our kidneys would throw a fit. Drinking seawater would actually dehydrate you faster. Your tongue is basically a lifesaver.
Salt In Water Side Effects