Understanding the Focus of a Passage

Read the following passage:

New research indicates that a healthy diet can improve cognitive function. This is notable because cognitive health is often overlooked in discussions about diet. Many individuals associate healthy eating solely with physical health. This new perspective highlights the importance of nutrition in maintaining mental acuity.

Dr. Smith, a nutritionist, stated, “Incorporating foods rich in antioxidants, fatty acids, and vitamins can significantly boost brain function. Moreover, understanding the link between diet and mental health can empower individuals to make informed choices.”