Final answer:
Taking care of oneself with a healthy lifestyle can relieve depression and reinforce the biopsychosocial model.
Step-by-step explanation:
Taking care of themselves with a healthy lifestyle can provide relief from depression. Exercise, proper nutrition, adequate sleep, and social support can all contribute to better mental health. This reinforces the idea that we are biopsychosocial systems, as our biology, psychology, and social environment all interact to affect our well-being.