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Over the past years, bone and adipose tissue have gained interest from researchers in the light of their secretory profiles, being able to produce active molecules, with the final effect of regulating energy homeostasis. Both adipocytes and osteoblasts originate in the pluripotent mesenchymal stem cell and this common origin has been proposed as the core of the fat-bone relationship. The central nervous system might be the third player in this association, capable of integrating signals. Numerous adipose tissue secreted factors that influence energy homeostasis and bone have been described: leptin, adiponectin, lipocalin 2, and inflammatory cytokines (e.g. IL-1, IL-6 and TNF-α). Similarly, osteocalcin, the most abundant bone protein, has been shown to elicit numerous central and peripheral endocrine functions. In this paper, we provide a review of the current literature regarding the bone-adipose tissue-central nervous system axis and a brief description of the several underlying molecular mechanisms. [ABSTRACT FROM AUTHOR]