Question

how does abstinence from harmful substances best improve academic performance?
○ it helps maintain brain health and improve focus.
○ it makes it easier to build relationships with fellow peers.
○ it makes it easier to stay up late to study or do homework.
○ it helps improve cardiovascular endurance and heart health.

Explanation:

To determine the correct answer, we analyze each option:

• Option 1: Abstinence from harmful substances (like drugs, alcohol) protects brain cells, supports cognitive functions (e.g., memory, attention), so it maintains brain health and improves focus, directly aiding academic performance.
• Option 2: Building peer relationships is not a direct effect of substance abstinence on academic performance.
• Option 3: Staying up late is not a healthy or effective way to improve academics, and substance abstinence doesn't relate to this in a positive academic - performance - enhancing way.
• Option 4: Improving cardiovascular endurance is related to physical fitness, not directly to academic performance which is more about cognitive abilities.

Answer:

A. It helps maintain brain health and improve focus.