Food intolerances, food sensitivities, and food allergies can all produce negative symptoms, ranging from undesirable to downright dangerous. Food intolerances can produce uncomfortable or ...

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 ...

A biochemical reaction is the transformation of one molecule to a different molecule inside a cell. Biochemical reactions are mediated by enzymes, which are biological catalysts that can alter the ...

If you don't feel well, you may worry that you have COVID-19. The only way to know for sure is to take a test. At-home tests can tell whether you have the virus right now. More specialized antibody ...

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 ...

Metabolic pathways are enzyme-mediated biochemical reactions that lead to biosynthesis (anabolism) or breakdown (catabolism) of natural product small molecules within a cell or tissue. The glycolysis ...