eDiets: This is an online weight-loss community that helps with personalized diet plans, meal planning, lots of recipes, and support.
Calorie Count: Lose weight and learn to eat healthier with food logging tools, exercise tracking, calorie counts, and lots of community support.
American Heart Association: This site has lots of information about heart disease diagnosis and prevention, including diet and exercise advice.
Go Red For Women: This site is dedicated women's heart health.
About.com Cholesterol: This site provides basic information about cholesterol, what it does in the body and how to lower cholesterol counts and improve HDL/LDL ratios.
About.com Low-Fat Cooking: Site provides information about healthy fats and low-fat cooking along with many recipes.