Otolaryngologists and ENT physicians are the same. ENT=Ears, Nose, and Throat - Oto=ear, laryng=throat (the nose, or rhino, was dropped some years ago). Otolaryngologists go through 1 year of general surgery training and an additional 4-5 years of specialty head and neck surgery.
But many popular brands actually contain considerably less than an old-fashioned cup of black coffee. An 8.4-ounce serving of Red Bull, for instance, has a relatively modest 76 to 80 mg of caffeine, compared to the 95 to 200 mg in a typical cup of coffee, the Mayo Clinic reports.
A standard cup of brewed coffee (8 oz) contains an average 95 mg of caffeine, with a range of 75 â 165 mg. However, determining the exact amount of caffeine in any cup of coffee is complicated. Many factors can influence caffeine levels in coffee, including different varietals of coffee plants, different plants (even on the same farm), soil conditions, moisture variations - and especially brewing techniques.