Why withdrawal headaches are so painful remains somewhat unclear. Because caffeine affects many parts of the body, experts ...

Around 80% of adults worldwide consume caffeinated beverages, and the use of such stimulating substances dates far back in ...

Medically reviewed by Barbie Cervoni, RD Caffeine sensitivity is when you experience unpleasant symptoms when consuming ...

If you feel that your morning coffee puts a spring in your step, science agrees. In the first large-scale real-world study of ...

Caffeine, a popular stimulant, is linked to increased anxiety. Research indicates it can worsen anxiety disorders. Even healthy individuals may experi ...

Researchers at Bielefeld University and the University of Warwick monitored the daily behavior and mood of young adults over ...

The research showed that tiredness and social setting also change how caffeine feels. When people were more tired than usual, ...

People who regularly consume caffeine are usually in a better mood after a cup of coffee or another caffeinated drink—an ...