A single elevated ESR, without any symptoms of a specific disease, will usually not give enough information to make a medical decision. Furthermore, a normal result does not rule out inflammation or disease. Moderately elevated ESR occurs with inflammation but also with anemia, infection, pregnancy, and with aging.
Between 65 and 81 percent of people can curl their tongues, and slightly more women than men can do it, studies find. The notion that a person's ability to roll his or her tongue is determined by a single dominant gene stems from a paper published in 1940 by geneticist Alfred Sturtevant.
How does this compare with the average person's tongue, asks Clare Spencer. Guinness World Records, which will include Stoeberl in the 2015 edition of its famous book, says that the average tongue is 10cm long when measured from the oropharynx - the place in the back of the throat where the tongue begins - to the tip.