Natural causes means a person died from an internal medical reason, like a disease or the body shutting down, rather than from an external event like an accident, injury, overdose, or homicide. In other words, it usually points to illness-related death, not something sudden from outside the body.

What it can include

  • Heart disease.
  • Cancer.
  • Stroke.
  • Diabetes or organ failure.

What it does not usually mean

  • Car crashes.
  • Falls.
  • Violence.
  • Poisoning or overdose.
  • Self-harm.

A simple example

If an older person dies after years of heart disease, that may be described as natural causes. If someone dies from injuries in an accident, that would not be natural causes.

Important nuance

“Natural causes” is a broad label, not a full medical explanation. A death certificate or medical report often gives a more specific cause, such as heart attack, pneumonia, or kidney failure.

TL;DR: natural causes = death from internal illness or bodily failure, not from outside trauma or an external event.