Actually, Wikipedia has better medical information than WebMD. The scientists doing the research are the ones putting the info on it. And, it's all on one page, plus you don't have to go through all those WebMD ads from the pharma companies.
OK, but it also has a recognized history of being, ah, “creatively edited” by anonymous (for the most part) individuals to fit certain ideological, political, and/or downright malicious intentions.
Even when they are NOT working for the government.