Tufts Health and Nutrition Letter
This provides consumers with honest, reliable, scientifically based health and nutrition advice.

Wellness Letter
This is a great newsletter that clarifies conflicting and superficial health information.

Consumer Reports
For online, searchable advice.

Web MD
This site has good information ranging from fitness to nutrition to diets and disease.

Obesity Help
This has peer support on obesity, obesity surgery, dieting, forums, photo galleries etc.