Hearing loss may a defect or age related problem. It may occur due to various factors which include ageing, noise pollution, damage to ear, exposure to chemicals etc. it prevented by various means which include regular ent checkups, maintaining personal hygiene and living in a noise free environment. A journal is a periodical publication intended to further progress of science, usually by reporting new research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity. Each such journal article becomes part of the permanent scientific record.
Last date updated on September, 2014