support the common notion that ordinary consumption contributes significantly to dehydration . With heavy use, strong tolerance develops rapidly and caffeine can produce clinically significant physical and mental dependence . Read more... Edit at Wikipedia... Other names 1,3,7-Trimethyl-3,7-dihydro-1H-purine-2,6-dione (IUPAC Name); 3,7-Dihydro-1,3,7-trimethyl-1h-purine-2,6-dione; 1-methyl-Theobromine; 7-methyl Theophylline; trimethylxanthine References Please add any relevant references