Like most primates, Koko is sensitive about her weight. Here she is standing on a scale while Penny reads the results. Koko knows that to control her weight, she has to watch both her caloric (ie, food) intake and her activity levels.
Changes in life expectancy in some hard-hit African countries between 1960 and 2012. HIV and AIDS affects economic growth by reducing the availability of human capital. Without proper prevention, nutrition, health care and medicine that is available in developing countries, large numbers of people are falling victim to AIDS. People living with HIV/AIDS will not only be unable to work, but will also require significant medical care.
Economic effects of terrorism. Terrorism imposes a significant economic effects on societies and will not only lead to direct material damage, but also to long term effects on the local economy. The identification and the estimation of these economic effects of terrorism has received broad attention in economic literature and research, especially since the events around 9/11.