Extract 1.1 Obesity and overweight Key facts: Worldwide obesity has nearly tripled since 1975. In 2016, more than 1.9 billion adults, people 18 years and older, were overweight. Of these over 650 million were obese (13%) and 39% of adults aged 18 years and over were overweight in 2016. Most of the world's population live in countries where overweight and obesity kills more people than a lack of proper nutrition (underweight) does. Thirty-nine (39) million children under the age of 5 were overweight or obese in 2020. Over 340 million children and adolescents aged 5-19 were overweight or obese in 2016. Obesity is preventable. World Health Organisation. 2021. Obesity and overweight. WHO [website] Retrieved from https://www.who.int/news-room/fact-sheets/detail/obesity-and-overweight [Accessed 14 December 2022].

1.1 Demonstrate your understanding of the statistics provided in the extract by describing the research term that can be best associated with these statistics.

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Being obese or overweight can be a very sensitive topic. Imagine you are the senior researcher for the research into healthier food options for obese and overweight persons (excerpt 1.1). As senior researcher you are requested to provide your team with an overview of the ethical principles to be kept in mind when your team members interact with potential research participants and to ensure their welfare. Briefly discuss the three (3) principles that you will include in your overview with your team.