1. Present simple tense: Used throughout the answer (e.g., "Exercise is a great way," "physical activity really helps") to state general truths and facts.
2. Gerunds as subjects/objects: Phrases like "going for a jog," "taking a brisk walk," and "doing some light stretching" use gerunds to list activities, showing variety and fluency.
3. Relative clause: "which are natural mood boosters" adds extra information about endorphins, making the answer more detailed and complex.
4. Modal verb: "can make a big difference" uses the modal verb "can" to express possibility, which is a common and natural way to give advice or suggestions.