You'll find just about every answer on the internet, whether right or wrong. Sometimes bad information won't hurt you much, but when it comes to your physical health you don't want to trust a poorly-researched answer. Examine.com takes the most common health and nutrition questions and answers them by accumulating research and studies to give you the best answer currently available.
Not sure if eggs are healthy, or if high-fructose corn syrup will do more harm than regular sugar? Examine.com compiles the research to answer common questions like these. You can browse or search the site to find the answers you're looking for, or ask a question of your own. You should, of course, consult your doctor before making any significant changes that affect your health, but if you want a solid scientific opinion this is where you can find it.