Long-distance trail running and extreme cardio activity led to red blood cell damage, per a new study. Here, doctors explain ...

Fittingly, the study showed that VO2 max scores were higher in more active states: DC (37.4 mL/kg/min), California (36.4 mL/kg/min) and Massachusetts (36.3 mL/kg/min) had the highest average scores.

Understanding progressive overload is a must to up your muscle mass, trainers agree.

A small lab-based study suggests that intense exercise may help keep cancer cells from progressing, implying this could also be part of a larger cancer-prevention strategy Intense exercise can spark ...

Exercise or relaxation—which truly lowers panic attacks? New research suggests one clearly outperforms the other, and the ...

Training harder may do more than build muscle—it could transform your gut. Researchers found that intense workouts change the ...

Panic attacks are sudden bouts of intense fear without an obvious cause. An estimated 10% of people experience at least one panic attack in their lifetime. But between 2% and 3% of the population have ...

Vigorous workouts may reduce appetite by a greater amount than less intense exercise, a new study suggests. High-intensity exercise suppresses levels of the hormone ghrelin — which is responsible for ...

Please provide your email address to receive an email when new articles are posted on . Men and women had lower deacylated ghrelin levels in high-intensity vs. moderate-intensity or no exercise ...

Fitness programs can be built around just about anything. CrossFit is based on the philosophy that constantly varied movements performed with moderate intensity improve physical competence. Yoga is ...

Despite the many benefits of exercise during menopause, a new study suggests that sudden increases in physical activity may make hot flashes more likely. Sudden changes in activity levels may increase ...

Female sex hormones estrogen and progesterone fluctuate monthly across the menstrual cycle, affecting moods and energy levels.