TOUGH LOVE — A viral video shows a stepdad using exercise as punishment after his stepson told his mom to "chill," sparking millions of views and mixed reactions. Continue reading…MISSING LINK — New research reveals that lithium in the brain could help protect against neurodegeneration and Alzheimer's disease. Continue reading…FacebookInstagramYouTubeTwitterLinkedInFox News FirstFox News OpinionFox News LifestyleFox News HealthFox News AutosFox News Entertainment (FOX411)Fox BusinessFox WeatherFox SportsTubiFox News GoFox Nation