The Rock says: Energy drinks are a heart hazard, folks!

Listen up, jabronis! Cardiologists are ringing the alarm bells about energy drinks after a dude took a nasty spill from downing eight cans a day. These high-octane brews can crank your heart rate and blood pressure to 11! The Rock says: Keep your caffeine under 400 mg a day, no mixing with alcohol, and if you feel any chest pain or palpitations, you better see a doctor, pronto!