Tag

HIIT

Someone running through an agility ladder on outdoor turf beside an exercise ball

Intervals ranked best for belly fat, but more was not better

Pooling 60 trials in 3,308 adults, researchers ranked four kinds of exercise against the fat packed around the organs. Intervals came top, and the dose-response curve turned back on itself past a moderate weekly load.

Aug 4, 2026

A man pulling hard on the handle of a rowing machine in a gym

News

Interval training changed brain structure in cannabis users

A Molecular Psychiatry trial put 59 people with cannabis use disorder through 12 weeks of high-intensity intervals and found measurable changes in white matter and cortical thickness.

Jul 27, 2026

A person riding a fan-wheel exercise bike in a darkened gym

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HIIT cut fat and held muscle in older adults, but barely

In a six-month trial of more than 120 healthy older adults, high-intensity interval training cut fat while holding onto muscle, unlike moderate exercise. The authors say the differences between intensities were small.

Jul 17, 2026