Q: In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Question: Of the following variables, which is considered a risk marker in the onset of cardiovascular disease:
Options: <0> Elevated figures of LDL-cholesterol and total cholesterol. <1> Man over 55 years old. <2> Smoker of 20 cigarettes daily. <3> Sedentary. <4> All are correct.
A:
nursery