Cross-references such as "see and "see also" are identified by:

The blood—brain barrier functions to prevent or slow down the passage of a variety of chemical compounds and pathogens from the blood and into the peripheral nervous system

Indicate whether the statement is true or false

You have received a grant to promote healthy living habits among the 20- to 40-year-old age group. Given the most common cause of death within this age group, which topic should be the focus of your program?

A) Safe driving B) Cancer screening C) Safe sex practices D) Healthy heart living