Per the American Heart Association, this occurs due to chronic low blood oxygen levels that prevent ... heart disease may also experience swollen hands, puffiness in the face and abdominal bloating.

The seals’ ability to detect the amount of oxygen in their blood may help them make diving decisions and avoid drowning.

Vitamin B6 deficiency may cause symptoms such as dermatitis and neuropathy in different parts of the body. Learn how to tell ...

Iron-deficiency anemia can affect your energy levels and cognitive function. Early detection and proper treatment can help ...

Medically reviewed by Andrea L. Braden, MD If your complete blood count (CBC) lab test shows you are low in healthy red blood ...

Hemoglobin is a protein that carries oxygen ... low or high. They will likely look at the other results of your CBC for a full picture. There are other measurements of the health of your red blood ...