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Dow Jones' two biggest banks report earnings. This one rises.

Dow Jones banks JPMorgan Chase, Goldman Sachs detailed Q2 results on Tuesday. JPM stock jumps in buy zone, GS stock pops.

Don't blame the block: Study finds nerve blocks alone don't increase pain sensitivity in healthy volunteers

Nerve blocks—local anesthetic injections that block pain signals—are a valuable opioid-sparing technique for controlling pain after surgery. However, some patients experience temporary sharp increases ...