Sometimes, you can judge how reliable website information is by noting the URL ending.
.GOV - refers to a government website. Highly reliable.
.EDU - often refers to a reliable educational website.
.ORG - implies a non-profit ORGanization. Approach with skepticism.
.COM - stands for "Commerce" and is used for business. Approach with skepticism.
As you are brainstorming about where to find public health information about your topic, think who cares enough to collect this information? Begin your search there, and also consider the linked sites below.