Informational film about women smoking. Worker is reading pulmonary results. She takes blood and runs it through a machine. Woman lights up cigarettes and the test is repeated. Measurement is shown. Bronchial tubes constrict, blood pressure rises by 20 points every time the woman lights up. Woman is talking about the results. She is given a heat thermal picture of her hand. Blood vessels are constructed. She looks at the picture and after getting the results, states she is going to quit smoking