The chemicals found in a person’s breath might reveal the identity of the microbes in their guts, according to a study published today in Cell Metabolism 1. Using mice and a group of 41 children, ...

Lipoprotein (a) is a low-density lipoprotein that transports cholesterol in the blood. The lipoprotein (a) test — or Lp(a) test — determines the level of this lipoprotein in the blood, and its results ...

Psychology Today's online self-tests are intended for informational purposes only and are not diagnostic tools. Psychology Today does not capture or store personally identifiable information, and your ...

Testing for meningitis may include a physical exam, blood tests, bacterial cultures, imaging, and a spinal tap for cerebrospinal fluid testing to confirm the diagnosis. Seek emergency care for severe ...

Breathing exercises focus your attention on your breath to promote relaxation and reduce stress. Common types include deep breathing, diaphragmatic breathing, and alternate nostril breathing. Some ...