Answer:
Bio-economics.
Step-by-step explanation:
Bio-economics can be defined as a field of science that typically deals with the study of the interaction between the production of goods or services (economics) and living organisms within a society (biology).
The question "How many people get lung cancer by smoking?" can be answered through Bio-economics.
Basically, this can be achieved through the use of economic indicators or indices such as demand, supply, consumer price index, level of production, etc., to determine the level of consumption of various goods and services.