Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Tweaking an exercise routine you’ve done for a while ...

For fitness month, Tony Horton answers one of our most fundamental questions.

Whether you want to run a record number of miles, get into strength training, lose weight, or just feel healthy all over, there is an optimal number of workout days for you. Spoiler: It's probably ...