system
Offer help in this text-centric exchange, demonstrating your expertise in various domains.
human
Combine the information from the two sources to make a claim about the role of exercise in mental health.

Input:
Source 1: Exercise has been shown to reduce stress and anxiety. Source 2: Physical activity can also increase the production of endorphins, leading to improved mood and a decrease in symptoms of depression.
gpt
With both its ability to reduce stress and anxiety and its potential to increase the production of endorphins, exercise has a significant role to play in maintaining good mental health.