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When news broke last week that Charlie Kirk had been shot at an event at Utah Valley University, millions of people around the world were first alerted to it by social media before journalists had written a word.

Rather than first seeing the news on a mainstream news website, footage of the bloody and public assassination was pushed directly onto audiences' social media feeds. There weren't any editors deciding whether the raw footage was too distressing, .

Australia's eSafety commissioner from the footage, noting "all platforms have a responsibility to protect their users by quickly removing or restricting illegal harmful material."

This is the norm in today's media environment: extreme violence often bypasses traditional media gatekeepers and , including children, instantly. This has wide-ranging impacts on young people—and on society at large.

A wide range of violence

Young people are more likely than older adults to come across violent and disturbing content online. This is partly because they are of platforms such as TikTok, Instagram and X.

Research from 2024 from the United Kingdom suggests a have seen violent videos in their feeds.

The violence young people see on social media and to and .

The footage is often visceral, raw and unexpected.

A wide range of harms

Seeing this kind of violent footage on social media can .

Research also shows can cause symptoms similar to trauma, especially if the violence feels close to our own lives.

Research shows social media is but also a vector for it, with bullying, gang violence, dating aggression, and even self-directed violence playing out online. Exposure to these harms mental health, behavior and academic performance.

For others, , where people become so used to suffering and violence they become less .

Communication scholars also point to —the idea in this case that people who consume more violent content begin to see the world as potentially more dangerous than it really is.

This potentially skewed perception can influence everyday behavior even among those who do not directly experience violence.

A long history of violence

Violence distributed by media is as old as media itself.

The ancient Greeks painted their pottery with scenes of battles and slaying. The Romans wrote about their gladiators. Some of the first photographs ever taken were of the Crimean War. And in the Second World War, to watch newsreels for updates on the war.

The —images of violence and destruction were beamed into people's homes for the first time. Yet television still involved editorial judgment. Footage of violence was cut, edited, narrated and contextualized.

Seeing violence as if you were there has been transformed by social media.

Now, footage of war, recorded in real time on phones or drones, is uploaded to TikTok or YouTube and . It often appears without any additional context—and often isn't packaged any differently to a video of, say, somebody walking down the street or hanging out with friends.

have emerged—people who post updates from conflict zones, often with no editorial training, unlike war journalists. This blurs the line between reporting and spectacle. And this content spreads rapidly, reaching audiences who have often not sought it.

Israel's military even uses social media users for propaganda purposes. A thirst trap is a deliberately eye-catching, often seductive, social media post designed to attract attention and engage users.

How to opt out of violence

There are some practical steps that can be taken to reduce your chances of encountering unwanted violent content:

• Turn off autoplay. This can prevent videos from playing unprompted
• Use mute or block filters. Platforms such as X and TikTok let you hide content with certain keywords
• Report disturbing videos or images. Flagging videos for violence can reduce how often they are promoted
• Curate your feed. Following accounts that focus on verified news can reduce exposure to random viral violence
• from social media, which isn't as extreme as it sounds.

These actions aren't foolproof. And the reality is that users of social media have very limited control over what they see. Algorithms still nudge users' attention toward the sensational.

The viral videos of highlight the failures of platforms to protect their users. Despite formal rules banning violent content, shocking videos slip through and reach users, including children.

In turn, this highlights why more stringent regulation of social media companies is urgently needed.

This article is republished from under a Creative Commons license. Read the .