Michaël R. Laurent

TL;DR: A comprehensive review of the molecular and cellular mechanisms of action of estrogens and androgens on bone, their influences on skeletal homeostasis during growth and adulthood, the pathogenetic mechanisms of the adverse effects of their deficiency on the female and male skeleton, as well as the role of natural and synthetic estrogenic or androgenic compounds in the pharmacotherapy of osteoporosis is provided.

TL;DR: Based on its search engine ranking and page view statistics, the English Wikipedia is a prominent source of online health information compared to the otherOnline health information providers studied.

TL;DR: Sarcopenia is associated with low BMDa and osteoporosis in middle-aged and elderly men and further studies are necessary to assess whether maintaining muscle mass contributes to prevent osteopOrosis.

TL;DR: It is proposed that estrogens influence fracture risk in aging men via direct effects on bone, whereas androgens exert an additional antifracture effect mainly via extraskeletal parameters such as muscle mass and propensity to fall.

TL;DR: The intricacies, strengths, and weaknesses of Wikipedia as a source of health information are discussed and it is compared with other medical wikis.