Evaluating Internet Health Information Tutorial
The Institute for a Healthier Heart manages this website. They have an "About this Site" link.
This page says that the Institute consists of "individuals and businesses concerned with heart health."
Who are these individuals? Who are these businesses? It doesn't say. A trustworthy health website clearly identifies who is providing the information. Sometimes missing pieces of information can provide important clues!
Next, let's check the Institute's purpose.