Question

1. what was the focus of diet quality in the early 1900s?

preventing chronic diseases
exploring relationships among diet, chronic disease, longevity, and quality of life
preventing specific nutrient and calorie deficiencies
promoting a wide variety of foods

Explanation:

In the early 1900s, the focus of diet quality was on preventing specific nutrient and calorie deficiencies. This is because during that time, many people faced issues related to not getting enough essential nutrients and calories, so the dietary focus was on addressing these deficiencies rather than later concerns like chronic diseases or promoting food variety.

Answer:

Preventing specific nutrient and calorie deficiencies