Dr. Jeffrey Sankoff

Exertional rhabdomyolysis is a potentially dangerous condition brought on by overtraining. Learn the signs and prevention methods from an ER doctor.

Two-thirds of athletes report using NSAIDs like Aleve to manage pain and inflammation - and that could be doing major damage. Dr. Jeffrey Sankoff explains why, plus recommends the best NSAID alternatives for athletes.

Dr. Jeffrey Sankoff discusses why fitness trumps weight loss when it comes to longevity.

Triathletes don’t always need to see their M.D. to stay healthy. Dr. Jeffrey Sankoff explains when other experts might be a better fit for health- and training-related concerns.

After making headlines at the Tour De France last year, carbon monoxide supplementation is under the microscope. Emergency room physician and triathlete Dr. Jeff Sankoff sheds light on this risky practice.

Dr. Jeffrey Sankoff looks at a new study that looks at static stretching versus foam rolling for flexibility.

A new study on heart health in endurance athletes over 50 brings concerning and reassuring findings on the "reverse J-curve" effect of exercise and cardiac events. Dr. Jeffrey Sankoff explains.

Almost every runner has heard it: Running is bad for your knees. But is that true? Dr. Jeffrey Sankoff looks at recent research, plus the magic mileage number to keep your knees healthy.

A new study puts to bed the "endurance myth" that a layer of sunscreen will block the body's ability to sweat or dissipate heat during exercise.

When is it safe to go back to exercising after a cold? Covid? The stomach flu? Dr. Jeffrey Sankoff shares return-to-training guidelines for common illnesses.

New research shows that CBD oil does not prevent nor treat delayed onset muscle soreness. But will that matter to those who swear by it?

Modern running shoes are designed for injury prevention and comfort - but does that come at a cost? Dr. Jeffrey Sankoff breaks down the results of a new study on how the footwear you choose might affect the way you run - for better and for worse.

An ER doc looks at a new study on how exercise impacts the immune system, and explains how to prevent illness after a big race or training day.

Dr. Jeffrey Sankoff explains why your body overheats during a race - and gives a list of surprising top tips.

Dr. Jeffrey Sankoff discusses a new study, which found athletes with the highest microbiome concentrations of certain bacteria had the fastest finishing times in an Ironman.

Ever gotten nausea or diarrhea after a triathlon swim? Water quality issues may be to blame - and they're becoming more common every season.

The theory of gut training has been around for over a decade, but a recent review looks critically at how much the practices can actually impact performance.

30 years of Ironman World Championship data explains how warning signs of low sodium and hyponatremia differ by sex.

Triathletes are obsessed with stomping out inflammation as soon as it appears. Dr. Jeffrey Sankoff explains why we shouldn't be so quick to grab the NSAIDS.

The complication that has sidelined Flora Duffy for months is common in runners and triathletes.

New research shows a keto diet may indeed have benefits for older sedentary individuals - but for endurance athletes, not so much.

One unconventional study examined the correlation between cardiac events and elite athletes across multiple sports. The results? Triathletes and cyclists have the highest rate.

You can donate blood without sacrificing hard-earned training gains - Dr. Jeffrey Sankoff explains how to time your blood donation for minimal impact on training and racing.

Tragic events at a recent NFL football game has athletes of all kinds asking: Are we at risk?

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.