The document discusses AIDS/HIV and its impact on global health. It defines AIDS as being caused by HIV, which damages the immune system. Over 130 million adults and 10 million children worldwide had been afflicted with AIDS as of 1993. No treatment has been discovered yet, but preventive measures like safe sex practices and blood screening can help limit transmission. The virus spreads primarily through unprotected sex and contact with infected blood or bodily fluids. Research is ongoing to develop effective treatments and vaccines against HIV/AIDS.