FIGURE 1.
The external exposome (comprising multiple risk factors operating at the individual and community or societal levels) interacts with the internal exposome (host biologic factors) to cause asthma in Puerto Ricans.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.