A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s ...

DEAR DR. ROACH: My husband was diagnosed with chronic lymphocytic leukemia (CLL) in 2010 and remained in stage 2 with no effects until 2022. In the interim, he was also diagnosed with atrial ...

Your body runs on blood like a car runs on fuel – without enough of it, everything starts breaking down. When blood levels drop too low, your organs begin struggling to get the oxygen and nutrients ...

There are about 70 million baby boomers in the United States, many now over the age of 65. As people age, rates of cardiovascular and cerebrovascular diseases rise, leading to more use of blood ...