AUSTIN, Texas — As the U.S. Army develops new systems to ensure overmatch on future battlefields, it is also working to hone an enduring driver of warfighting success: human performance. “We have to ...

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The fitness and nutrition landscape has long been dominated by a singular focus: macronutrients. Protein, carbohydrates, and fats have taken center stage, with devotees meticulously tracking grams and ...