Reference databases are handy when you're looking for basic, unbiased information. I'll link several here that you can use for your infographics.
Provides instant access to carefully compiled and trusted medical reference materials. Includes nearly 400 health/medical journals, hundreds of pamphlets, over 700 health-related videos from partner Healthology, Inc., and articles from 2,200 general interest publications in addition to a broad collection of Gale reference titles. Material contained in this Resource Center is intended for informational purposes only.
This tutorial will show you how to use Gales Health & Wellness Resource Center to easily find ad-free authoritative health information to put your mind at ease: https://support.gale.com/doc/hwrc-video1