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Always have been told that: there is not tiny enemies, this statement couldn't be more true when we are talking about the fight between the body and different pathogen agents, cellular mutations, and dangerous substances. Right now our knowledge allow us to handle the matter at nanoscale (1/1.000'000.000 m) sizes. The nanotechnology develop this knowledge and be able to improve things as new materials, small amount of material to build devices, better performance with maximal efficiency of devices, and others [1], [2]. Using nanotechnology to solve health problems is call nanomedicine [2], [3]. This paper review nanotechnologic develops apply to diseases with high mortality and treatments that doesn't solve the problem deeply they just handle the disease with partial solutions. Therefore, nanomedicine will have greater impact in the future, improving the health issues of humanity. [ABSTRACT FROM AUTHOR]

This article addresses the historical process by which demographic growth was constructed as the "population question" in mid-twentieth-century Colombia. In other words, it addresses the mechanisms by which it was understood as a scientific, political and economic problem concerning the medical community, specifically the Colombian Association of Medical Schools (Ascofame). The paper demonstrates how this Association drew on notions such as demography, the idea of development as a path to well-being, and a broad definition of health to legitimize its authority and intervention in society. In its discussion of the historical construction of the "population issue", the article questions the use of quantitative methods as a tool to legitimize public and social action, and it reveals the subjective nature of quantitative description in demographic studies. Finally, it introduces the problem of the legitimate intervention of the medical practice not only in regards to its role in demonstrating the existence of the "population problem", but also in its ability to influence reproductive behavior in the quest for social transformation. [ABSTRACT FROM AUTHOR]