6 health benefits of volunteering, according to Mayo Clinic Volunteering can help change the lives of others for the better every single day, but it also provides numerous benefits to volunteers themselves. It lowers the risk of depression. Gives individuals a sense of purpose. Helps keep you both physically and mentally active. Volunteering can reduce stress levels. And lengthen your life. It also encourages you to develop new relationships with like-minded people, strengthening your support system and i