Merve Ceylan is a dietitian and health writer with four years of experience writing for companies in the nutrition and health industry. Nick Blackmer is a librarian, fact-checker, and researcher with ...

If you’re feeling tired, irritable, have brain fog or trouble sleeping make sure you’re paying attention to tryptophan. This time of year, we usually associate tryptophan with napping after ...

Medically reviewed by Renita White, MD Perimenopause is the transition period leading up to menopause (the end of your menstrual period). During this time, your estrogen levels begin to drop, your ...