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

We all need oxygen to breathe and stay alive. The COVID-19 pandemic really tested our lung capacity, leaving many gasping for air and claiming several lives. However, just like the coronavirus, many ...

Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. Oxygen is the breath of life, right? Because it ...

When the body lacks iron, it can impact haemoglobin levels. And when you have low haemoglobin, it affects your health ...