But studies of everything from romantic relationships to workplace encounters show that negative interactions can pack a much bigger wallop than positive ones.

WSJ: A Few Troublesome Employees Can Outweigh the Good

By contrast, all-natural salts--like the pink lava salt chef Walter Manzke throws on raw tuna at Bouchee , a Carmel, Calif. restaurant--pack a mineral-rich wallop, unadulterated by iodine or anticaking ingredients with unpleasant names like sodium ferrocyanide.

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