The 1st AIDS case was diagnosed in Costa Rica in 1985. By January 1988, 47 cases were recorded. Most cases are in hemophiliacs and homosexuals; one is in the heterosexual partner of a hemophiliac. 55% of hemophiliacs in ...

Apart from the physical suffering and deaths that they cause at the individual and family level, diarrhoeal diseases also play a negative role in national development

Whose who are familiar with rural areas of developing nations are often amazed to tind malnourished children in families where food is available in amounts sufficient to ensure an adequate diet. There may seem to be plenty ...

El cerebro trabaja con probabilidades, con señales integradas, pero está en nosotros trabajar para que las probabilidades se dirijan en el sentido que queremos. La incertidumbre no significa dejar la vida al azar, sino más ...