MedPix is a free open access online database of medical images, teaching cases, and clinical topics, integrating images and textual metadata including over 12,000 patient case scenarios, 9,000 topics, and nearly 59,000 images.
The American Academy of PAs is the national professional society for PAs and advocates and educates on behalf of the profession and the patients PAs serve.
World Health Organization's goal is to build a better, healthier future for people all over the world. Working through offices in more than 150 countries, WHO staff work side by side with governments and other partners to ensure the highest attainable level of health for all people.
Here is a good overview of some steps you can take to build your critical thinking skills when it comes to evaluating the quality of the information you find.