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.
Now, I donât know about you, but when I think of caffeine, the first thing that comes to mind HAS to be lethality! I mean 10 grams of this stuff is enough to kill ya! So Iâm constantly worrying just how many Starbucks Espresso Frappuccinos I can actually drink!