Question

1. which of the following is considered to be the \cornerstone of nutrition\ and is important for identifying essential nutrients, establishing recommended food intake levels, or exploring the effects of nutrients on health conditions?

clinical trials
epidemiological studies
scientific studies
cell culture and animal studies

Explanation:

Epidemiological studies observe populations to identify relationships between diet, nutrients and health - related outcomes, making them crucial for nutrition - related goals like identifying essential nutrients and setting food intake levels.

Answer:

Epidemiological studies