The epidemic spread of HIV/AIDS has been ferocious, posing a great threat, not only to public health, but to social sectors, and to development itself, while the fiscal cost of HIV/AIDS is significant as well. A set of effective prevention interventions include: changing behavior through...

The note looks at tobacco from the health perspective, and at how to reduce its use, since smoking is becoming the single biggest cause of death worldwide, particularly affecting the developing countries, where most of the world's smokers live. It thus looks at the correlation between smoking...

More than a quarter of the world's population is between the ages of 10 and 24. Most (86 percent) of the world's 1.7 billion young people live in developing countries, where they are often 30 percent or more of the population. At first glance, youth appears to be a relatively healthy although...