intracellular

Exercise is an important part of a healthy, active lifestyle. It improves your heart and lungs and builds strong bones and muscles. However, exercise can cause sore muscles. This is common if you t...

Caring for family or friends can be rewarding, but it can also be hard. Sometimes it makes you tired, stressed and sad. Many people who help others feel worried, lonely or burned out. If you spend ...

If you’ve been diagnosed with chronic obstructive pulmonary disease (COPD), it’s important to know about COPD exacerbations. These events are potentially serious and even life threatening. Learn ho...