Now, Emma is going back in time to explore the hypothesis that the original Dietary Goals and Dietary Guidelines may have helped create the obesity epidemic. Which of the following would she observe to support her hypothesis? (Select all that apply)

1. She gets hungry while she's time traveling and makes a point to taste different foods over time. Though, she must admit – the portion sizes do keep getting smaller and smaller, which may be contributing to the obesity epidemic.
2. When visiting the 1980s, she discovers that "evidence" from the cholesterol-lowering drug trial became the basis for the national dietary policy, stating that all Americans over the age of 2 should consume less than 300 mg/day of cholesterol, while also limiting total fat and saturated fat to 30% and 10% of total calories, respectively.
3. While visiting a grocery store in the 1990s, she observes a conversation between two shoppers, extolling the benefits of these new fat-free products – that you can eat as many of them as you want and still be healthy!
4. During several visits to different time points in the 1990s, she observes that the public health focus is really just on fat – they're not talking about any other nutrients. She keeps hearing healthcare providers talk about counting fat grams.

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