|Osteopenia is bone density is lesser compared to the normal level. It is similarly like osteoporosis but not that much severe condition. Bone density is to calculate the how bones are dense and strong. Post-menopausal women are very prone to this disease in some extent life-style factors are also causes like low physical activity, alcohol intake, smoking and medication. Scholarly peer review is the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal. The work may be accepted, considered acceptable with revisions, or rejected. Peer review requires a community of experts in a given (narrowly defined) field, who are qualified and able to perform reasonably impartial review.