Season 7 Episodes20
Crew1

Lennart Nilsson
Director of Photography
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More than 40 million Americans are afflicted by cardiovascular disease. NOVA examines the new information on risk factors and possible prevention of heart attacks and Strokes—often fatal diseases.

Lennart Nilsson
Director of Photography
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"Portrait of a Killer" is episode 4 of NOVA season 7. It aired on February 19, 1980.