9. Excessive intake of caffeine containing drinks or food (more than 6 units of caffeine per day). One caffeine unit is contained in the following items: 1 (177.4 mL) cup of coffee, 2 (354.9 mL) cans of cola, 1 (354.9 mL) cup of tea, ½ (118.3 mL) cup of energy drink (e.g., PAOLYTA B Liq. or WHISBIH Liq.) or 3 oz of chocolate;