Q: Is social media really that bad for mental health?

Yes. Multiple studies link heavy social media use to depression, anxiety, poor sleep, and low self-esteem. The evidence is strongest for teenagers, but adults are affected too. The relationship is complex (people who are already depressed may use social media more), but the harm is real.

Q: Why is social media so addictive?

Social media platforms use psychological tricks to keep you scrolling: infinite scroll, variable rewards (likes and comments), notifications, and algorithms that show you content designed to provoke strong emotions. These exploit the same brain circuits as gambling and drugs.

Q: Should social media be regulated?

Many argue yes. Proposals include banning under-16s from social media, requiring platforms to limit addictive features (like infinite scroll), and forcing algorithms to prioritise wellbeing over engagement. The UK's Online Safety Act 2023 is a start, but critics say it does not go far enough.

Naomi Clarke

It is 11pm. You are lying in bed, scrolling through Instagram. You see a friend's holiday photos (Maldives, perfect sunset, perfect body). You see an influencer's morning routine (5am workout, green smoothie, flawless skin). You see an acquaintance's engagement announcement (huge ring, beautiful partner, everyone commenting "goals"). You feel a pang of envy, inadequacy, and FOMO. You know you should put the phone down and go to sleep. But you keep scrolling.

This is the social media trap, and we are all caught in it. We spend hours every day on platforms that make us feel worse, comparing ourselves to others, chasing likes and validation, and feeling anxious when we do not get them. We know it is bad for us. Study after study confirms that heavy social media use is linked to depression, anxiety, poor sleep, and low self-esteem. And yet we cannot stop.

Why? Because social media is designed to be addictive. The platforms exploit psychological vulnerabilities to keep us scrolling, clicking, and engaging, because that is how they make money. And we, the users, are the product.

It is time to admit that social media is making us miserable, and to ask whether the trade-off is worth it.

The Evidence Is Clear

The link between social media and poor mental health is no longer debatable. The evidence is overwhelming:

A 2024 Ofcom report found that UK adults spend an average of 3 hours 41 minutes per day on their phones, with social media accounting for over half of that time. Teenagers spend even longer — up to 7 hours per day.
A 2023 study by the Royal Society for Public Health found that Instagram is the worst social media platform for mental health, followed by Snapchat and Facebook. YouTube was rated the least harmful.
A 2022 study published in The Lancet found that teenagers who use social media for more than three hours per day are twice as likely to experience symptoms of depression and anxiety.
NHS data shows that referrals to child and adolescent mental health services have doubled since 2010, with social media cited as a major factor.

The mechanisms are well understood:

1. The comparison trap

Social media is a highlight reel. People post their best moments — holidays, achievements, perfect meals, perfect bodies — and we compare our messy, ordinary lives to their curated perfection. This drives feelings of inadequacy, envy, and low self-esteem.

The problem is that we know the posts are curated, but we still feel bad. Knowing that someone's Instagram feed is not real life does not stop us from feeling worse about our own.

2. FOMO (fear of missing out)

Social media makes us feel like everyone else is having more fun, more success, and more love than we are. We see friends at parties we were not invited to, colleagues getting promotions, and acquaintances living their best lives. This drives FOMO — the fear that we are missing out on something better.

FOMO is exhausting. It makes us feel like we are always behind, always inadequate, always missing the thing that would make us happy.

3. The dopamine hit

Social media exploits the brain's reward system. Every like, comment, and share triggers a dopamine hit — a burst of pleasure that makes us want more. This is the same mechanism that makes gambling and drugs addictive.

The problem is that the rewards are variable — sometimes you get lots of likes, sometimes you get none. This unpredictability makes the behaviour more addictive, because you keep checking in the hope of getting that dopamine hit.

4. Sleep disruption

Using social media before bed disrupts sleep. The blue light from screens suppresses melatonin (the hormone that makes you sleepy), and the stimulation from scrolling keeps your brain alert. Poor sleep is linked to depression, anxiety, and poor physical health.

5. Cyberbullying and harassment

Social media makes it easy to bully, harass, and abuse others. Teenagers are particularly vulnerable, and the effects can be devastating. A 2023 study found that one in three UK teenagers has experienced cyberbullying, and victims are at higher risk of self-harm and suicide.

Why We Cannot Stop

If social media is so bad for us, why do we keep using it? The answer is that the platforms are designed to be addictive.

1. Infinite scroll

There is no natural stopping point. You can scroll forever, and the algorithm keeps feeding you content designed to keep you engaged. This exploits a psychological phenomenon called variable rewards — you never know when you will see something interesting, so you keep scrolling.

2. Notifications

Every notification — a like, a comment, a message — triggers a dopamine hit. The platforms know this, so they send you notifications constantly, pulling you back in.

3. Algorithms

Social media algorithms are designed to maximise engagement, not wellbeing. They show you content that provokes strong emotions — anger, envy, outrage — because that keeps you scrolling. The algorithm does not care if the content makes you feel worse, as long as you keep using the platform.

Everyone else is on social media, so you feel like you have to be too. If you quit, you miss out on events, news, and conversations. You feel isolated and left behind.

5. Network effects

Social media is more valuable the more people use it. If all your friends are on Instagram, you have to be on Instagram to stay in touch. This creates a lock-in effect — even if you want to leave, you cannot, because everyone else is there.

The Platforms Know What They Are Doing

Facebook (now Meta), Instagram, TikTok, and the rest know that their platforms harm mental health. Internal documents leaked by whistleblowers have shown that Facebook's own research found that Instagram makes teenage girls feel worse about their bodies, but the company did nothing.

The platforms prioritise engagement and profit over user wellbeing. They are not neutral platforms — they are designed to keep you scrolling, clicking, and engaging, because that is how they make money from advertising.

This is not an accident. It is the business model.

What Can Be Done

1. Regulate the platforms

The UK's Online Safety Act 2023 requires social media platforms to remove harmful content and protect children. But critics say it does not go far enough. Proposals for stronger regulation include:

Banning under-16s from social media (as Australia has done)
Requiring platforms to limit addictive features (like infinite scroll and autoplay)
Forcing algorithms to prioritise wellbeing over engagement
Making platforms liable for harm caused by their algorithms

The platforms will resist, arguing that regulation stifles innovation and free speech. But the harm is real, and the status quo is not acceptable.

2. Take personal responsibility

You can reduce your social media use by:

Setting time limits (most phones have built-in screen time controls)
Turning off notifications
Deleting apps from your phone (you can still access them via a browser, which adds friction)
Curating your feed (unfollow accounts that make you feel bad)
Taking breaks (a week off social media can reset your relationship with it)

But personal responsibility only goes so far. The platforms are designed to be addictive, and willpower is not enough.

3. Build alternatives

Some argue we need better social media — platforms designed for wellbeing, not engagement. Examples include:

BeReal (a photo-sharing app that encourages authenticity, not curation)
Mastodon (a decentralised, ad-free social network)
Substack (a platform for long-form writing, not short-form dopamine hits)

But these alternatives struggle to compete with the network effects of Facebook, Instagram, and TikTok.

The Bottom Line

UK adults spend an average of 3 hours 41 minutes per day on their phones, with social media accounting for over half of that time. Studies consistently link heavy social media use to depression, anxiety, poor sleep, and low self-esteem, particularly among teenagers. Instagram and TikTok's algorithms prioritise engagement over wellbeing, showing users content that keeps them scrolling even if it makes them feel worse. The comparison trap — seeing others' curated highlight reels — drives feelings of inadequacy and FOMO. We know social media harms us, but we cannot stop because the platforms are designed to be addictive, exploiting psychological vulnerabilities for profit. The platforms know what they are doing — leaked documents show Facebook's own research found Instagram harms teenage girls' mental health. Regulation is needed, including banning under-16s, limiting addictive features, and forcing algorithms to prioritise wellbeing. Personal responsibility helps, but it is not enough when the platforms are designed to override willpower. Social media is making us miserable, and it is time to admit it and demand better.

Opinion: Social Media Is Making Us Miserable — And We Know It