Medical Dictionary. arrhythmia. play. noun arÂ·rhythÂ·mia \Ä-Ërith-mÄ-É\. Medical Definition of arrhythmia. : an alteration in rhythm of the heartbeat either in time or force.
Central metabolism provides mechanisms for the generation of energy from carbon-energy source catabolism and the production of biosynthetic precursors and intermediates for the anabolic pathways essential to maintain cell structure and function.
Caffeine's ability to speed up the central nervous system makes it a powerful metabolism booster. In addition, coffee beans provide antioxidants and real health value, says Amy Goodson, RD, a dietitian for Texas Health Ben Hogan Sports Medicine.