Benign paroxysmal positional vertigo is caused by calcium debris in the semicircular canals (canalithiasis), usually the posterior canal. Medications generally are not recommended for the treatment of this condition.
In grammar, tense is a category that expresses time reference. Tenses are usually manifested by the use of specific forms of verbs, particularly in their conjugation patterns. Basic tenses found in many languages include the past, present, and future. Some languages have only two distinct tenses, such as past and nonpast, or future and nonfuture.
tensest. 1  1 : stretched tight : made taut : rigid tense muscles. 2  2a : feeling or showing nervous tension a tense smileb : marked by strain or suspense a tense thriller. 3  3 : produced with the muscles involved in a relatively tense state the vowels \Ä\ and \Ã¼\ in contrast with the vowels \i\ and \uÌ\ are tense.