Remember the buzzy boutique fitness classes that soared in the mid to late-2010s? There was a time when you couldn’t skim a stone down 23rd Street in Manhattan without it ricocheting off three ...

Interval training workouts involve structured exercising at different intensities with recovery periods in between. High intensity is usually anaerobic exercise, while the recovery periods involve ...

Do you even know what HIIT stands for? We have the answer to that—and more.

I recently decided to completely switch up my half marathon training. I swapped miles for time-based training runs, and because I’ve never been much for speedwork outside my high school cross-country ...

New research published in ImmunoHorizons shows that running a high-intensity interval training (HIIT) workout triggers a more inflammatory immune response than cycling HIIT. These findings could help ...

HIIT can deliver incredible fitness results, but timing matters. Knowing when to avoid high-intensity workouts may help prevent injuries, improve recovery, and maximize long-term performance.

If you ask people why they do not exercise as much as they should, the most common answer is lack of time. The World Health Organisation recommends 75 minutes of high-intensity exercise, or 150 ...

Think you always need long, slow strength sessions to build strength and burn fat? Think again. New research suggests that high-intensity circuit training—workouts that pack multiple strength moves ...

In an analysis comparing studies of interventions for adults with heart failure with preserved ejection fraction, high-intensity interval training (HIIT) appears especially beneficial. A network ...

Forbes contributors publish independent expert analyses and insights. AI researcher working with the UN and others to drive social change. Oct 20, 2025, 05:19am EDT A humorous animated brain character ...

Endothelial dysfunction is a hallmark of cardiovascular disease (CVD) and plays a central role in vascular inflammation, thrombosis, and impaired vasodilation. A study led by researchers from Miguel ...

Supervised high-intensity interval training (HIIT) over 5 years reduced the risk for rapid decline in estimated glomerular filtration rate (eGFR) in community-dwelling adults aged 70-77 years.