The Who Blog

Olivia Hayes is a dedicated health writer for the WHO blog, where she focuses on delivering clear, accurate, and impactful information to global audiences. With a passion for public health communication, she specializes in breaking down complex medical research and wellness topics into reader-friendly content that supports informed decision-making. Olivia’s writing spans areas such as disease prevention, nutrition, mental health, global health challenges, and emerging medical trends, always grounded in evidence-based knowledge. Her goal is to help individuals and communities better understand the issues that influence their well-being and empower them with practical, trustworthy guidance.

Having collaborated with health professionals, researchers, and public health advocates, Olivia brings a balanced perspective to her work—combining scientific credibility with an accessible narrative style.