Learn what different shades of blood mean and how they signal changes in your health or potential medical issues.

People often discuss the importance of removing, or “flushing out,” lactic acid from the blood after intense exercise to ...

Your body relies on a coordinated effort between your heart, lungs, and circulatory system to maintain a healthy blood oxygen ...

You see, when your heart stops beating, it halts blood flow, which is supposed to transport oxygen to your organs and tissues. So without blood, the most active, oxygen-guzzling organs and tissues ...

Other warning signs of low blood oxygen levels may include ... gasping for air Inability to do an activity that you did before without getting out of breath For everyday health, you shouldn ...