Health literacy is the ability to find, understand, and use health information to make informed decisions. It affects how people communicate with health professionals, manage medications, and navigate health services.
Research shows that low health literacy is linked to higher rates of missed appointments, delayed care, misunderstandings of medication instructions, and avoidable hospital admissions. A key issue identified in health research is that many health materials are written above everyday reading levels, making information difficult to understand even when services are available.
In everyday life, health literacy is used when people describe symptoms to a doctor, read medication labels, understand test results, use online health systems, and decide when to seek medical help. Even small misunderstandings in these areas can have serious impacts on health outcomes.
Health literacy is becoming more important as healthcare becomes increasingly digital and self-managed, requiring people to read instructions, use online portals, and make decisions about their own care. Research shows that people most affected by low health literacy include older adults, people with lower literacy or digital skills, and those managing multiple health conditions.
Improving health literacy leads to better health outcomes, safer medication use, earlier intervention, and greater confidence in managing health conditions. It also supports families, as people often help others understand and navigate health information.