Some good resources
Rx for Survival, from PBS has video clips on a variety of health issues. http://www.pbs.org/wgbh/rxforsurvival/series/video/index.html
Pain, Pus and Poison, from the BBC is a great series about many of the topics in this option.
Episode 1 is here. Episode 2 is here: https://www.youtube.com/watch?v=mlDO-uKMNWk
Open University has a bunch of free courses (2 and 4 hours long) on medicine and drug design. Here is an excerpt of one, with videos and questions on the process of designing a drug.