More and more teens and adults are spending their free time browsing short form video social media websites, like TikTok, Facebook Reels, and YouTube shorts. Some people spend hours and hours on these services, browsing video after video after video, laughing and learning and finding new things to buy – sometimes falling victim to a fairly vicious algorithm, but often just looking at videos on a wide variety of topics.
When short form video wasn’t created, the goal wasn’t to cause mental health issues. It’s simply a way to hold attention – something that it does extremely well – and provide a medium for topics, information, skits, and more, that doesn’t require long and extensive viewing.
The problem is that the more we learn about this type of video consumption, the more we find out that it’s actively harmful for a person’s mental health. What feels like relaxing and laughing is actually causing us short and long term psychological problems, most of which we do not associate with the video itself, and unless we learn how to control this consumption, it can hurt our mental health and our lives in the long term.
Digital Overload
The primary way that short form video is affecting our mental health is the result of something called “Digital Overload.”
The human brain didn’t evolve to process hundreds of unrelated pieces of information in rapid succession, each one demanding a fresh emotional or cognitive reaction. A fifteen-second clip about a recipe gives way to a clip about a natural disaster, which gives way to a comedy sketch, which gives way to a stranger’s breakup story.
Every swipe is new, highly stimulating information that our brains are trying to process behind the scenes. Every time you watch a new video, you are consuming thousands of new pieces of information – new faces, new voices, new colors, and new settings – over and over and over again, without any time to truly process the last one.
This causes a phenomenon which many call “Digital Overload.”
Digital overload is when your brain is essentially overloaded with new information from a constant barrage of videos it doesn’t have the capacity to process.
To the person watching the videos, this actually feels like relaxation. Often, when we watch these videos, we end up mentally relaxed.
Why?
Because there is so much for the brain process that it cannot even manage a stress response. You end up mentally depleted, because the brain is asked to oriented, process, and emotionally respond to hundreds of new videos, often as many as 5 to 10 a minute.
What happens next is that it starts to affect your mental health:
- Your brain may feel tired, but it’s actually highly stimulated, making it harder to sleep.
- As your brain processes the information, you experience more overall stress. Your ability to handle new stresses decreases.
- While you might feel relaxed, your brain is so tired, that there are often very few cognitive resources left to complete other tasks. You become less productive, less able to do other things.
It can affect memory, by pushing out other competing information. It can make one more susceptible to misinformation as the brain tires and becomes less able to differentiate between the real and the fake. It can also cause semi-permanent issues with attention span. As the brain becomes used to rapid rewards, it can become more difficult to have the patience for other things that require more attention.
Part of what keeps this cycle going is the same reward mechanism behind most compulsive behaviors: a dopamine system that responds not just to reward itself, but to the unpredictability of reward. Each new video is a small gamble on whether it will be worth watching, and that uncertainty is what makes stopping so difficult, even once fatigue starts to set in.
A few signs tend to show up when digital overload has become a regular pattern:
- Reaching for a Phone Without Deciding To — Scrolling starts before a person consciously chooses to do it, often during small gaps in the day that used to go unfilled.
- Feeling Drained Rather Than Relaxed — Time spent scrolling is meant to feel like a break, but it often leaves someone more tired or irritable than before they started.
- Losing Track of Time Consistently — Fifteen minutes becomes an hour on a regular basis, with little memory of what was watched.
- Struggling to Sit With Stillness — Waiting rooms, red lights, and quiet moments start to feel unbearable without a screen to fill them.
These are all issues that can affect a person’s mental health in the present and, sometimes, in the long term. Yet, what makes them especially problematic is that the feeling a person gets watching the videos remains largely positive. They laugh, they are wowed, and their brain feels relaxed when they’re experiencing it. That makes it very hard to show someone that digital overload is affecting them. The effects of that overload are all happening after the videos are over.
The Algorithm and Conspiratorial Thinking
Another problematic issue is the algorithm. Short form video platforms are designed specifically to find ways to be more engaging so that you keep scrolling. Once you view a video – any video – the algorithm is designed to show you more, similar videos on the same topic hoping to keep your interest.
The problem is that if the videos were all the same, you’d eventually get bored. So the algorithm shows you increasingly more controversial, unlikely, or otherwise engaging information. Subtle at first, especially over an extended period of time, but eventually showing you what the algorithm believes will keep you engaged no matter whether it’s true, useful, helpful, or based in reality.
That means that at any point, you or someone you love can be an accidental victim of the algorithm.
This can always be problematic, even if the content is otherwise harmless. It can cause you to want to buy things more and more, leading to worse financial decisions. It can lead you to believe that relationships are unrealistic. It can “teach” you about health in ways that are incorrect or incomplete. But perhaps the most worrisome issue is the development of conspiratorial thinking.
Conspiratorial content performs unusually well on short-form platforms. It tends to be emotionally intense, framed around hidden knowledge or a hostile “them,” and built to provoke exactly the kind of reaction, comment, or share that engagement-based algorithms are designed to reward. A recommendation system doesn’t need to endorse a claim to keep serving more of it. It only needs to notice that a person paused, watched twice, or left a comment.
The psychological entry point is often less about belief and more about circumstance. A classic study published in Science found that people who feel a lack of control over their circumstances become significantly more likely to perceive patterns in random or unrelated information, including conspiracies. Job loss, illness, isolation, or a period of genuine instability can leave someone primed for exactly the kind of narrative that offers a hidden explanation and a sense of order, right around the same time an algorithm has started noticing what they’re lingering on.
Once that door opens, the mental health toll tends to build slowly. Chronic distrust replaces the more selective skepticism most people carry day to day, extending from institutions to neighbors, coworkers, and eventually family members who don’t share the same view. Hypervigilance becomes a baseline state rather than an occasional response to real danger, since a mind primed to detect hidden threats starts finding them everywhere.
Relationships often absorb the brunt of it. Disagreement can start to feel like betrayal or willful blindness, which makes ordinary conversation with skeptical loved ones feel adversarial rather than connecting. As trust in the immediate social circle erodes, the online community that shares the belief becomes a primary source of validation, which deepens isolation from everyone else even as it feels like belonging.
This pattern shows up across health misinformation, financial conspiracy content, and ideological content on any side of the political spectrum, since the algorithm doesn’t care what the content is about. It only cares whether someone keeps watching.
Anxiety and a Nervous System Stuck in Alert
Short-form platforms don’t need to show something genuinely dangerous to activate a stress response. A disturbing headline, an alarming claim, or a stranger’s crisis is enough to trigger the amygdala, the brain’s threat-detection center, the same way a real threat would.
That triggers a real physiological cascade: the HPA axis releases cortisol, heart rate increases, and the body shifts into a low-grade state of alert. In a normal threat, that activation resolves once the danger passes. Scrolling doesn’t offer that resolution. A new alarming clip arrives before the last one has finished processing, which keeps the stress response running without a chance to complete its cycle.
Research on this pattern, often called doomscrolling, has linked it to elevated anxiety, disrupted sleep, and difficulty concentrating. The body is responding accurately to a volume and pace of threat signals it was never designed to encounter.
Attention Fragmentation
Sustained attention is a skill, and like most skills, it responds to practice. Short-form video trains the opposite skill: rapid disengagement. A person who spends significant time on these platforms is, in effect, practicing how to stop paying attention to something every few seconds.
That training doesn’t stay contained to the app. Many people notice a growing impatience with anything that unfolds slowly: a long conversation, a dense book, a movie without constant visual novelty, a work task that takes sustained focus to finish. The brain adapts to a pace that almost nothing else in life can match.
This shows up most clearly in tasks that require holding a single thread of thought for more than a few minutes. Reading comprehension, working memory, and the ability to return to a task after an interruption all depend on the same underlying capacity that short-form video repeatedly interrupts.
Sleep Disruption
The hour before bed is when short-form video does some of its most reliable damage. Screens emit blue light, which suppresses melatonin production and delays the body’s natural signal that it’s time to sleep. That part is well established and applies to any screen use at night.
Short-form video adds a second problem on top of that. Unlike reading or watching a single show, an endless feed has no natural stopping point. There’s no credits sequence, no chapter break, nothing that signals it’s time to put the phone down. The content itself, and the emotional or cognitive activation that comes with it, keeps the mind too engaged to transition smoothly into rest.
The result is a familiar pattern: a person intends to scroll for a few minutes before sleep and looks up an hour or more later, now too mentally activated to fall asleep quickly even after finally putting the phone down.
Social Comparison and Self-Worth
Long before social media existed, psychologists understood that people evaluate themselves by comparing against others, a concept researchers have studied since the 1950s under the name “social comparison theory.” Short-form video turns that ordinary human tendency into something closer to a constant, algorithmically curated stream.
The comparisons on these platforms tend to run upward:
- Bodies
- Homes
- Relationships
- Income
- Lifestyles
Not only would this be a problem even if the content were true, but most of these are frequently staged, filtered, or entirely aspirational. But to the person watching it, they see someone that has more than them, and they want it, and they feel worse about themselves in the interim. Seeing dozens of these examples a day, presented as though they were simply someone’s ordinary life, can leave a person feeling quietly inadequate without ever consciously registering why.
This effect tends to hit hardest on self-esteem and body image, though it isn’t limited to either one. Career comparison, relationship comparison, and even comparison around parenting or productivity show up just as often, each one chipping away at a person’s sense that their own life is enough as it is.
Emotional Avoidance
Scrolling is an unusually effective way to avoid a feeling. It’s immediately available, requires no explanation to anyone else, and reliably redirects attention away from whatever was uncomfortable a moment before.
The trouble is that avoidance, however understandable, keeps a person from developing the skills that actually resolve difficult emotions. Sitting with disappointment, boredom, grief, or anxiety long enough to process it is how a person builds tolerance for those feelings over time. Reaching for a phone the instant discomfort appears interrupts that process before it can start.
Over months and years, this can leave a person with less practice than they once had at simply being alone with their own mind. That’s a skill therapy often has to help rebuild from the ground up.
Loneliness Despite Constant Connection
Short-form video creates a strange paradox: a person can spend hours a day absorbed in other people’s lives and end that time feeling more isolated than before they started.
Much of what gets consumed on these platforms is parasocial, a one-directional relationship with a creator who doesn’t know the viewer exists. That can feel emotionally real in the moment, but it doesn’t offer the mutual, responsive connection that protects against loneliness.
A well-known 2018 study out of the University of Pennsylvania tested this directly. Students who limited their Facebook, Instagram, and Snapchat use to about ten minutes per platform a day for three weeks showed significant reductions in loneliness and depression compared to a control group who used the apps as usual. Less time in front of curated feeds of other people’s lives, in other words, left more room for the kind of connection that helps.
Where to Go from Here
These challenges rarely show up in isolation. A person dealing with digital overload is often also dealing with disrupted sleep and a harder time sitting with difficult emotions, since all three feed off the same underlying pattern of constant, low-effort stimulation.
A few starting points tend to help across most of these challenges at once:
- Make it Harder to Access the Apps – Right now, it’s too easy to log in with a quick click. Log out whenever possible, or hide the app so that you have to go out of your way to open it, as a way to reduce the desire to check more and more videos.
- Build in Phone-Free Transitions — The hour before bed and the first twenty minutes after waking are two of the highest-impact windows for the effects of these videos. Make sure this time period is phone free.
- Notice the Urge Before Acting on It — Pausing for even a few seconds before opening an app creates room to choose rather than react automatically.
- Practice Sitting With Discomfort on Purpose — Letting a moment of boredom or unease pass without reaching for a screen rebuilds a skill that scrolling tends to erode.
- Get Curious About What’s Being Avoided — If scrolling consistently follows a specific feeling, it usually helps to name that feeling directly rather than outrun it.
These steps work without deleting every app or swearing off short-form video entirely. They’re meant to rebuild the parts of a person’s attention, mood, and self-worth that heavy use tends to wear down. It’s hard to avoid all video because people share videos, and in some cases you may need to watch a video to learn something. But you can reduce the impact that the video has on you.
For anyone finding that scrolling has started to affect mood, focus, sleep, or self-worth in ways that feel hard to shift alone, that’s exactly the kind of pattern therapy is built to work with.
Heart in Mind Psychotherapy offers individual therapy for adults navigating anxiety, low self-esteem, and the kind of emotional avoidance that builds up over years of reaching for distraction instead of support. Our related piece on communication in the age of technology covers how these same patterns show up between partners. Reach out at (516) 430-8362 or through our contact page to talk with someone who can help.
