Palatal expansion

src: lh6.googleusercontent.com A palatal expander is a device in the field of orthodontics which is used to widen the upper jaw (maxilla) s...

Hepatitis

src: i.ytimg.com Hepatitis is inflammation of the liver tissue. Some people have no symptoms whereas others develop yellow discoloration of...

HIV/AIDS in Africa

src: i.ytimg.com HIV/AIDS is a major public health concern and cause of death in many parts of Africa. Although the continent is home to abo...