Cardio Training

Just 3 minutes of sprinting may trigger changes that 90 minutes of cardio cannot

Six 30-second sprints triggered far more changes in heart- and metabolic-health proteins than a 90-minute moderate bike ride.

Walking or running: Which one actually extends your lifespan more?

Once you match calories, the two are much closer than you'd expect.

How to get more out of your walks

A daily walk can benefit your energy levels, heart health, blood sugar and the body's stress levels, among...

Why one long walk may protect your heart more than several short ones

A UK Biobank study of 33,560 adults ties longer, unbroken walks to sharply lower heart and death risks.

Just 3 minutes of sprinting may trigger changes that 90 minutes of cardio cannot

Six 30-second sprints triggered far more changes in heart- and metabolic-health proteins than a 90-minute moderate bike ride.

Walking or running: Which one actually extends your lifespan more?

Once you match calories, the two are much closer than you'd expect.

How to get more out of your walks

A daily walk can benefit your energy levels, heart health, blood sugar and the body's stress levels, among...

Two minutes of all-out sprinting can burn as many calories as a 20-minute jog

A small Canadian study says short repeat sprints match a longer easy run.

What should your VO2 max be? The healthy range sorted by age and sex

Your smartwatch shows a number few people know how to read. Here is the honest range.

Your cardiorespiratory fitness may predict your lifespan better than your cholesterol

Cardiologists now call fitness a stronger mortality signal than most lab numbers.

Cycling vs. running: which is better for your heart, joints and longevity?

Two of the world's most popular cardio workouts, one big trade-off between your knees and your bones.

How hard should your workout be? Target heart rate zones sorted by age

A simple formula and one number on your wrist tell you if your workout counts.

Your bike ride to work reduces the risk of blood clots

A new Swedish study shows a surprising connection between your daily commute and your heart health.