Injuries represent one of the leading causes of death and disability globally, particularly among children, adolescents, and young adults. This chapter examines injury through a public health lens: not as isolated events, but as predictable and preventable outcomes shaped by environment, behaviour, policy, and systems.

We explore the epidemiology of injuries - road traffic incidents, falls, drowning, burns, poisoning, occupational trauma - alongside the Haddon Matrix and systems-based approaches to prevention. The chapter emphasises that injuries are not “accidents” but events with identifiable risk factors and modifiable upstream determinants.

From legislation and enforcement to environmental design and behavioural interventions, injury prevention becomes a model of applied public health: combining surveillance, engineering, education, and policy.

Key Takeaways

* Injuries are a major contributor to global mortality and disability, especially among young populations.

* The Haddon Matrix provides a structured framework for analysing injury across host, agent, and environment dimensions.

* Road traffic injuries are among the most significant preventable causes of death worldwide.

* Effective prevention requires multi-level interventions: legislation, environmental modification, behavioural change, and emergency response systems.

* Injuries reflect social gradients and structural inequities.

* Public health reframes injury as preventable rather than accidental.

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