压力：杀手的肖像 (2008)

The serially overworked already know that stress is a near-constant fixture in modern-day living. But to what degree is stress affecting our bodies -- and is there any way to healthfully combat it? With a focus on the work of Stanford University neurobiologist Robert Sapolsky, this National Geographic program looks at the latest science to see what researchers are learning about this insidiously silent killer.