The groundbreaking work of 19th Century scientists, including Louis Pasteur's deelopment of vaccines. Also, the search for wonderdrugs.
Providing healthcare to around the globe is difficult because of the obstacles in getting supplies and trained doctors to people who live in remote locations. Also, a look at how animals help to spread disease.
In the modern world there are two very different sets of health problems. The devloping world fights illness that the more devloped world has all but eradicated, while the more developed world's overabundance creates a new set of problems. How can these two different and opposing problems be solved?
Doctors and volunteers help save lives around the globe.