Respiratory Syncytial Virus Infections
What is respiratory syncytial virus (RSV)? Respiratory syncytial virus, or RSV, is a common respiratory virus. It usually causes mild, cold-like symptoms. But it can cause serious lung infections, especially in infants, older adults, and people w ...
Oxygen Therapy
What is oxygen? Oxygen is a gas that your body needs to work properly. Your cells need oxygen to make energy. Your lungs absorb oxygen from the air you breathe. The oxygen enters your blood from your lungs and travels to your organs and body tiss ...
Chest Pain
Having a pain in your chest can be scary. It does not always mean that you are having a heart attack. There can be many other causes, including Other heart problems, such as anginaPanic attacksDigestive problems, such as heartburn or esophagus di ...