Dr. Jeffrey Sankoff

A new study looks at why side stitches happen in runners - and it has nothing to do with your fitness level or what you ate before your workout.

Though COVID isn’t going anywhere soon, the newer variants may have fewer long-term effects for something all athletes care deeply about: our hearts.

A new study specifically looks at the relationship between iron-distance athletes and the air quality of the area they compete in. The results are not exactly what you’d expect.

A new review looks at the potential for genetic testing—and the challenges.

A new study following ultrarunners attempted to answer that age old question: What causes GI problems in long-distance races? There was one important new finding.

And it's not just because of the physiological responses inside your body. Dehydration gets inside your head.

A new review shows a potential link between structural injuries and an athlete's personal attitudes, stressors, and relationships.

"This is not a mild disease."

The benefits of exercise could have age-defying implications on memory deterioration as people age.

A recent study, interestingly, says no.

Beneficial health outcomes are associated with physical activity at every weight level; weight loss—not so much.

A new three-year survey looked at half-marathon and marathon runners. The findings? More training and more preparation led to fewer injuries...

And what we don't know yet.

New studies show that moderate exercise can improve your immune response and, most importantly, make vaccination even more effective.

It's one thing to have lots of real-time data on your blood glucose levels. But what do you do with it?

Dry needling was studied in runners post-marathon and some pain reduction was seen—but could it all be in their heads?

New research suggests hot tubs, not ice baths, might be better for recovery.

Do you get anxious before races? It could be contributing to gastrointestinal issues.

Acclimation works for heat adaptation, but does it work for cold too?

Exercise has a hugely beneficial impact on cardiovascular health and mortality rates, but at a certain volume of exercise those benefits start to decrease.

And how that affected triathletes.

Running related injuries are frustratingly common. A new study suggests foot strengthening—from the ground up—could be the answer.

Recent studies have provided some interesting takeaways about running economy.

New research shows elevated markers of heart and muscle damage after long-distance races, but what does that indicate and does it mean there could potentially be long-term issues?

In this column, Dr. Jeffrey Sankoff answers your questions about immune health, COVID, and training.