Feeling breathless after minimal physical activity or unable to sustain exercise for long periods may point to a condition known as exercise intolerance. Often mistaken for simple "low fitness," ...

Physical decline begins before 40, peaking in fitness and endurance between ages 26-36. Decline rate is similar for men and women, but lifestyle significantly impacts individual outcomes. Early and ...

That fit people have a reduced risk of premature death from various diseases is a recurring result in many studies. New research from Uppsala University shows that people with high fitness levels in ...

A new study also found a lack of correlation between physical activity levels and bleeding episodes among people with hemophilia A. Most people with hemophilia A do not meet physical activity ...

We all know that building strength, or even maintaining fitness levels, becomes increasingly difficult as we grow older. Muscle function, endurance, and aerobic capacity all fall victim to ageing, ...

Medically accurate illustration of the vagus nerve. Source: Sebastian Kaulitzki/Shutterstock This Psychology Today blog post is phase two of a nine-part series called "The Vagus Nerve Survival Guide." ...