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.
Here's How Much Caffeine Is in a Cup of Coffee. 1  To be able to monitor caffeine intake, you first have to get a general idea of much caffeine is in a cup of coffee. 2  There are a lot of things that can influence exactly how much caffeine is in a cup of coffee.