There are several natural remedies that have can help reduce cancer cells.
A doctor observes mosquitoes to better understand the malaria parasite which has been developing a resistance to the anti-malarial drugs.
Reuters/RIcardo Rojas
The digging of wells in Africa has often been thought of as the solution to helping rural women walking to get water, but they may cause more harm than good.
Health care in Zambia is free but fraught with difficulties.
EPA/Kim Ludbrook
Nigeria’s strategy to eliminate polio was so effective that it was duplicated to deal with ebola. So why did the country take so long to get off the list of polio-endemic countries?
Senegalese Mamou Tiang, who suffers from polio, begs for money outside a bank on a sidewalk in the capital Dakar.
Nic Bothma/EPA