Please provide your email address to receive an email when new articles are posted on . PHOENIX — Oxygen saturation did not significantly decrease among children who participated in low- or ...

When physically demanding activities are performed at high altitudes or in other low-oxygen environments, excellent coordination, judgment, and decision-making are important. In some cases, such as ...

Cardio fitness shows heart-lung strength, predicts longevity, and improves health at any age.