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Learn the Science of Nutrition

Tufts nutrition courses are for everyone—whether you are an established or emerging nutrition professional, or a curious learner who wants to know more about the food you eat. A virtual course at Tufts' top-ranked Friedman School of Nutrition Science and Policy can help you learn about the latest nutrition science. You can choose to enroll in one course, or work toward a nutrition-focused Tufts Certificate of Graduate Studies. You’ll learn alongside fellow nutrition enthusiasts and build your skills and knowledge to achieve your personal or professional goals.


Highlight Courses - Enrolling Now

Theories of Behavior Change and their Application in Nutrition and Public Health Interventions

Spring Semester

Daniel Hatfield | Online

For many Americans, actual health behaviors fall short of evidence-based recommendations and guidelines. Why do people do what they do—or don’t do? How can we design programs that tap into these factors to support healthier behaviors? This course explores theories of behavior change commonly used in nutrition and public health. Specific theories addressed include the Health Belief Model, the Theory of Planned Behavior, Social Learning Theory, Diffusion of Innovations, Behavioral Economics, and the Socio-Ecological framework. The course emphasizes the application of core theory concepts to the design and evaluation of program interventions. 

Basic Enrollment Requirements: Unofficial Transcript - Bachelor's + 3.0 GPA.

Human Nutrition

Summer Session

Diane McKay | Asynchronous

To provide an understanding of basic nutrition science to non-science majors and students with a limited scientific background.  Students will become familiar with: the principles of diet planning, government standards, and food labeling; the biological functions and food sources of each nutrient; energy balance, weight management, and physical activity; the role of nutrition in chronic disease development; nutrition throughout the life cycle; food safety issues; and current nutrition-related controversies.  This course meets the science requirement for undergraduate non-science majors. It is not acceptable for biology credit for biology majors.




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