When it comes to childhood and young adulthood, most people in the U.S. think of carefree times of life with few major responsibilities. But for a small subset of young people, these years also mean caring for loved ones. Harvard medical students Kimia Heydari and Romila Santra both have firsthand experience being young caregivers, and spoke with "First Opinion Podcast" host Pat Skerrett about the unique challenges of taking care of family members at ages when few of their peers had similar experiences.