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April 8, 2022


6 months


This course includes:

6 months

Badge on Completion

Certificate of completion

6 months


The incidence of obesity is on the increase in affluent societies, and the phenomenon commands increasing attention from health professionals, legislators, and the media.


An essential aspect of maintaining the body is the consumption of food. The range of foods that we eat is known as our diet and the components of food that are digested, absorbed and used in bodily functions are known as nutrients. Nutrients supply the body with both energies and with the components for growth and repair. In this course, Obesity: balanced diets and treatment, you will examine the various roles of nutrients within the body and look at the effects of nutrient deficiencies or excesses, both of which can lead to adverse health effects.

Learning Outcomes

After studying this course, you should be able to:
  • List the six key nutrient groups and explain their role in a healthy diet
  • Understand and calculate body mass index (BMI), and use such calculations to predict desirable weight ranges for individuals
  • Explain the importance of a balanced diet in terms of energy intake
  • Explain how genetic and environmental variables may interact to produce variability in human body weight and adiposity both within and across generations
  • Apply an understanding of gene-environment interactions to possible explanations of variability in body weight and adiposity.

Course Curriculum

    • The components of a balanced diet 01:30:00
    • Balanced energy intake 01:00:00
    • Inadequate intake 00:50:00
    • Obesity 01:00:00
    • Obesity treatment 00:40:00
    • Genes, environment and the causes of obesity 00:20:00
    • Ron revisited 00:20:00
    • Experimental studies of energy balance 01:30:00
    • Obesity – an evolutionary perspective 01:00:00
    • Obesity and brain reward systems 01:30:00
    • Obesity and ageing 01:00:00
    • A gene ‘for’ obesity? 01:30:00
    • Treatments for obesity 02:00:00
    • Summary of Section 2 00:40:00
    • Conclusion 00:10:00

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Open University UK