5. Water
We’ve all heard the stories of people dying after drinking too much water. Take, for instance, the 28-year-old Californian who died after downing six liters on a radio-show contest back in 2007. But contrary to popular opinion, you can’t drown from drinking too much water. Called hyponatremia, it actually dilutes your blood’s concentration of sodium, Chabán says. And while extreme hyponatremia is both rare and fatal, mild cases are incredibly common. One New England Journal of Medicine study found that about one sixth of marathon runners have some degree of the condition upon crossing the finish line. Most people don’t need more than 12 cups of water a day, even if they’re active, Chabán says. And remember, your body can process only so much water at once. So it’s better to spread out your intake rather than gulp it all at once, even right after your sweat session.
6. Soy Sauce
Here’s one more reason to reach for the low-sodium option. In 2013, a 19-year-old man suffered seizures, fell into a coma, and almost died after drinking a quart of the salty stuff. Pretty much the opposite of hyponatremia, hypernatremia (a.k.a. too much sodium in the blood) causes the brain to lose water, shrink, and bleed. While (luckily) very few guys are pounding quarts of soy sauce, limiting your intake to one tablespoon a day is a solid move. As is shaking your salt habit in general.
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