Methemoglobinemia is a blood disorder in which an abnormal amount of methemoglobin -- a form of hemoglobin -- is produced. Hemoglobin is the protein in red blood cells that carries and distributes oxygen to the body.
Caffeine. One 8-ounce cup of coffee has 95 milligrams of caffeine and a 1-ounce single shot of espresso has 64 milligrams. Consuming too much caffeine can make you restless, anxious and irritable. It can also interact with certain medications. Pregnant women may need to cut back on caffeine consumption.
Best Answer: 1 ounce = 1 shot of espresso there is 1 shot of espresso in the short size and tall size (8 oz and 12 oz cups) 2 shots of espresso in the hot cup grand and venti size (16 oz and 20 oz) 3 shots in the iced venti size (24 oz cup) Starbucks uses the Espresso Roast in their coffee. It's a dark roast coffee (bold).