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Myth: If We Restrict One Means of Suicide, They’ll Just Pick Another

It can feel like blocking one method of killing oneself wouldn’t make a difference, but the research says it matters a great deal.

Fact: Suicidal Individuals Rarely Switch Means

It’s not like no one ever switches means when their preferred method is blocked, but it matters a great deal. Research consistently shows that when one means is restricted, the rates for other means don’t increase substantially. If we can block the means that a person has decided upon, it’s unlikely they’ll go on to select another.

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Evidence

There’s strong evidence that someone won’t switch means once they’ve decided on one. Across a number of means restriction interventions, we’ve seen a reduction in suicide deaths.

In Support of the Myth

None identified.

To Refute the Myth

"Effectiveness of restricting access to a suicide jump site: a test of the method substitution hypothesis" (2022)

Clear evidence that the Ellington Bridge anti-suicide barrier resulted in a reduction of suicide deaths by jumping from a bridge.

"The effectiveness of structural interventions at suicide hotspots: a meta-analysis" (2013)

“Structural interventions at ‘hotspots’ avert suicides at these sites.”

"Preventing suicide by jumping: the effect of a bridge safety fence" (2007)

If a fence is installed, people are unlikely to switch to a different bridge.

"The impact of pesticide regulations on suicide in Sri Lanka" (2007)

Significant reduction in suicides, because the reformulated pesticide is less able to be used for a suicide attempt.

"The coal gas story" (1976)

Changes in rate in the United Kingdom by detoxifying gas.

Learn more about suicide myths – and the truths behind them – by following the links below.