There may, however, be a shortcut. High-intensity interval training ( HIIT) promises to get you fit with just a few minutes ...

Adding high‑intensity interval training to a lifestyle intervention enhances short‑term physical activity in children and ...

Here’s an example. Running an ultra marathon requires endurance, because the goal is to maintain a steady pace for several ...

A new study published by Science Daily on January 8, 2026, found that just 10 minutes of intense exercise can trigger ...

“If you live near flatter terrain, or you don’t have those rolling hills, treadmill workouts can be hugely beneficial for a ...

In TODAY.com's Expert Tip of the Day, a cardiologist reveals the No. 1 "best habit of all" to develop in 2026 when it comes ...

Dr. Sudhir Kumar emphasizes that optimal running health hinges on variety, not just intensity. While high-speed runs offer ...

Apple is adding four new workout programs to its Fitness+ subscription on Monday while touting the results of a new study.

A guide to the most effective cardio strategies—from zone training to interval work—designed to improve endurance, heart health, and overall longevity.

A personal trainer explains how combining strength training and cardio creates better fat loss and a leaner physique ...

So we asked experts what they wish runners would say “no” to more in the new year. Here, they’re sharing what you should ...