Despite making up one-sixth of the population, disabled people are frequently excluded from health research, worsening their health outcomes and leaving critical gaps in medical understanding. Exclusion stems from unfounded assumptions about consent, communication barriers, and lack of accessibility planning. Greater inclusion—from study design to participation—is essential for ethical, effective research that improves health outcomes for all. Associate Professor Kaaren Mathias discusses this topic on The Conversation, read the full article: 1 in 6 New Zealanders is disabled. Why does so much health research still exclude them?