If you're quickly ascending in altitude, your body may have trouble absorbing oxygen, which can lead to hypertension and ...

You've been wasting fuel and money and don't have a full tank of gas to show for it! Your body is that car, your respiratory and circulatory systems are the gas pump, and if you unknowingly suffer ...

Medically reviewed by Oliver Eng, MD Many types of cancer are associated with low hemoglobin (anemia). Hemoglobin is a ...

A Center for Eye Research Australia study has linked low levels of oxygen in the blood overnight—a common sign of obstructive ...

Researchers have identified obstructive sleep apnea as a potential risk factor for wet age-related macular degeneration.