Health Topics A-Z

Alcohol and drug use among youth and young adults, including underage drinking, binge drinking, and other substance use, poses serious risks to brain development, health, and safety. It can lead to long-term problems, including substance use disorders.

Zika virus infection is a mosquito-borne illness that can cause serious health complications, particularly for people who are pregnant. First discovered in Uganda in 1947, the virus has since spread to multiple regions of the world and sparked major outbreaks in the Americas. NIH supports research to better understand Zika virus and its mosquito vector, the disease it causes, and ways to combat it.