science hit

The fizzy drink has gone mainstream. But does it live up the health promises that many marketers promise?

Yes, caffeine can give you wings. But there are a few important things you need to know first before pounding the espressos.

Want to train at the right intensity? The simple talk test is proven to be as accurate as new technologies.

Finding peak fitness means testing it first—we give you the lowdown on the best training tests out there.

Could sweat testing add value to your fluid and electrolyte replacement strategy during your training?

Nutritionist and coach Dr. Alex Harrison recaps a webinar he did for USA Triathlon on fat adaptation and its use for endurance athletes.

Take your cycling to the next level by improving your pedaling efficiency.

Nutritionist Scott Tindal does a deep dive on bonking, glycogen stores, and the train low diet.

Australian researchers confirmed results of a previous trial finding that endurance athletes seem to train and race best on high-carb diets.

Nasal breathing while running—not mouth breathing—may be better for performance.

Eat Kind bars? Their nutrition labels are about to change. Here’s how calorie count is determined.

What if you could take a physiological test that would say with certainty how you should train? We're not quite there yet, but there are several tests that can help you learn about your specific needs.

What we can learn from the research of Alexandra Coates.

Turns out the personality clash is real.

“Pure oxygen,” the new trend in athletic performance claims to be a breath of fresh air – but it might just be a bunch of smoke blowing around.

A new study finds endurance athletes are more likely to outlive all other fitness groups—even their highly fit counterparts.

A coffee a day keeps the suffering away, say researchers.

How an accidental discovery built a better cycling kit.

The tiny, mighty tech that links up your favorite tri gadgets, explained.

Scientists finally figured out how the weight of your running shoes affects your speed.

A controversial researcher says the key to speed and delayed fatigue lies in your brain, not in your lungs.