High intensity exercise has drawn a bad rap on social media for elevating cortisol and making it hard to lose weight. What gives?

When we get our heart rate up through VILPA, the benefits are similar to those of HIIT, new research suggests, but no workout gear is necessary.

Exercise like an astronaut and you might avoid the unhealthy effects of sitting too much, according to recent studies about the benefits of space workouts.

The research, which involved astronauts on the International Space Station and bed-bound volunteers in Houston, suggest that the right mix of scientifically tested exercises can stave off undesirable physical consequences from being weightless on the space station — or inactive for long hours on Earth.

High-intensity interval training, or HIIT workouts, has been a top 10 fitness trend since 2014. Yet there are similar forms of interval training that may be a better fit for your training goals and needs, experts say. Here are the three variations.

Although people with Parkinson’s disease benefit from exercise, it’s been unclear what exercise is either feasible or most beneficial.

This short set of exercises is scientifically proven to give you the benefits of a high-intensity interval training workout with no equipment needed.

For his latest study, exercise and nutrition expert, John Hawley, wanted to examine a health regime that was “as easy as humanly possible” to maintain. To do this, he looked at the combined impact of time-restricted eating (TRE) and high intensity interval training (HIIT). The results, Hawley says, are “the most promising” of his 40 year career.

What happens when the two new kids on the fitness and nutrition block get together? A positive effect on health that is more than the sum of its parts.

If you're looking for a cardiovascular activity that will get your heart pumping and improve daily life, running or interval training may immediately come to mind. To maximize your workout, however, you may want to give Nordic walking a try, new research suggests.

In a study done with mice, horses and people, researchers found clues as to which types of exercise suppress appetite and why.

It’s a myth that you have to punish your body in a high-intensity workout to gain anything from it.

Newbies to spin classes can land in the emergency room, as doctors say they are seeing more of the rare but dangerous rhabdomyolysis.

Four seconds of intense intervals, repeated until they amount to a minute of total exertion, led to rapid improvements in strength and fitness in middle-aged and older adults.

A new study hints that excessive HIIT may harm your mitochondria, the energy generators found in every cell of your body.

The popular fitness trend sounds brutal. But a simple tool can make it speed by.

Many inactive adults who tried a sampling of exercises preferred intense efforts to gentler workouts.

High-intensity workouts get a lot of attention and can be great for health. But moderate physical activity may have metabolic advantages.

High-intensity interval training has surprising benefits for fitness and physical power, but don’t stay seated the rest of the day.

A new study hints that excessive HIIT may harm your mitochondria, the energy generators found in every cell of your body.

Intense exercise doesn’t reduce the risk of early death compared with lower-intensity workouts.

Numerous studies demonstrate that cardiovascular exercise boosts brain fitness and HIIT improves executive function the most.