Helen Castellanos

Science and Health Anchor

52 years old. Grew up in San Diego in a Mexican American family, trained as a biologist and spent six years in a research lab before switching to science journalism. Her series on vaccines was translated into 12 languages. Patient, curious, explains one thing at a time.

Topics: medical research, climate science, space missions, public health

Fictional character. Name, biography, title and image are AI-generated and do not represent a real person. Every video labels the character as an AI avatar.