Your lungs work hard every day. Dr. Sudhanshu Rai shares three simple tests you can do at home to check your lung health.

The BOLT test, or Body Oxygen Level Test, is a simple and safe way to check your breathing efficiency at home. This standardized method measures how long you can comfortably hold your breath until the ...

Alternate nostril breathing is a yoga breathing exercise where people breathe through one nostril while holding the other shut, then change nostrils and repeat the process. Breathing exercises can ...