Lee Zeldin, the E.P.A. administrator, revived a plan created during the first Trump administration to end the testing of chemicals on mammals. By Lisa Friedman The Environmental Protection Agency will ...

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 ...

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 ...

Genetic testing involves the detection of specific alleles, mutations, genotypes or karyotypes that are associated with heritable traits, diseases or predispositions to disease for the individual or ...

The COVID-19 pandemic forced a number of changes, many of which will remain in place long after it subsides. One important but under-recognized shift could be in the field of clinical diagnostics.

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 ...