Six-year-old Bukenya Hethiri began coughing at the age of two. It took three years to diagnose him with tuberculosis. 
Photo: CNN

The unseen world of childhood TB

TB has the potential to affect many parts of the body and it can remain latent in people for many years. The main active form of the disease…

George "Chip" Greenidge Jr. says his CNN Fit Nation teammates have inspired him and kept him on track.

Fit Nation: Learning to climb uphill

“Climbing mountains on Sunday morning — you got to be kidding me,” I exclaimed. But it was all part of the process I realized I was going t…

Ebola Troops Come Home

Ebola troops come home

Special military unit returns to Maryland after working to stop the Ebola outbreak in Liberia.