According to the biological classification of nutrients, which of the following is primarily categorized as a protective/regulatory food rather than an energy-giving food?

With reference to trans fatty acids, consider the following statements: I. Some naturally occurring trans fats are found in dairy and meat products derived from ruminant animals. II. Industrial trans fats are commonly generated through partial hydrogenation of vegetable oils. III. Naturally occurring trans fats and industrially produced trans fats are regarded as having identical cardiovascular risk profiles in public-health assessments. Which of the statements given above are correct?

How can food insecurity paradoxically contribute to obesity?