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.
  There are approximately 6900 languages currently spoken around the world, the majority of which have only a small number of speakers. About 4 billion of the earth's 6.5 â¦ billion people, or over 60% of the earth's population, speak one of the following 30 languages as their native tongue.t is hard to find how many languages in the world exactly but the invaluable Ethnologue quotes 6909 living languages, that's one language for every 862,000 people on Earth.