Research Update: Heat Acclimation Changes Your Sweat Sodium. Should You Retest?
Heat acclimation changes how much sodium you lose in sweat, but should you sweat test again?
Heat acclimation changes how much sodium you lose in sweat, but should you sweat test again?
Do ketone supplements improve endurance training adaptations? A new study finds no added performance benefits during an altitude training block.
Beet juice helps endurance performance, but can it also improve recovery? This study had some interesting results.
What the research says about when you should keep taking creatine in the off-season, and when you should stop.
A study looked at whether drinking water during endurance exercise improved performance. Here's what the results mean for your training.
Are you eating enough? This study found that most functional athletes were under-fueled, but did it actually affect their performance?
Protein improves recovery, but does it also add strength? This study found it did. Here's what that means for how you train.
What research shows about peak fitness, age-related performance decline, and how to extend athletic longevity.
Three new studies on whether dehydration affects your body’s response to protein, if caffeine before PAPE has additional benefits, and what your tears and snot can tell you post-exercise.
Dose, timing, tingles and more: straight answers to the six questions athletes ask most about beta-alanine, and how to get the most from it.
Three new studies on what happens before the hard effort: how a mentally draining day takes the edge off your power and sprint capacity, why the best warm-up depends on...
This week's Research Update looks at whether time-restricted eating can trim body fat without costing performance, why an inconsistent bedtime may hit recovery hardest after your toughest training days, and...