Bio chemical medicine also called biological chemistry which is that the study of chemical processes concerning living organisms and it's associated with biology which is that the study of molecular mechanisms by which genetic information is encoded in DNA which ends up within the processes of life. High-impact journals are those taken into consideration to be fantastically influential in their respective fields. The impact factor of the journal provides a quantitative assessment tool for grading, evaluating, sorting, and comparing journals of comparable kind. It reflects the typical number of citations to recent articles published in science and science journals during a particular year or period and is usually used as a proxy for the relative importance of the journal within its field. It's first devised by Eugene Garfield, the founding father 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 therein journal during the previous two years.