|Thyroid inactivity is the underactive thyroid. The under active thyroid is most common in old age people both in the men and women. And it is more common in the women compare to men. Thyroid inactivity occurs due to increase in age their may lot of changes takes place in the functioning of body. These leads to increase in weight, fatigue, depression. It is called as hypothyroidism. In children it leads to mental disorders and infertility. Symptoms include low mood, dry hair, dry skin, mental disorders, low fertility rate.
High-impact journals are those considered to be highly influential in their respective fields. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.