A short-video feed driven by a powerful recommendation algorithm that can amplify dangerous 'challenges' and mature content.
7 advisories for TikTok
Priority guidance — A timely conversation, settings check, or safety step is recommended.Ongoing — Recent or continuing reports meet our evidence threshold.
Choking and pass-out challenges on video feeds
Videos may encourage children to choke themselves or hold their breath until they pass out. These behaviours can cause brain injury or death, and there is no safe way to try them. Ask whether your child has seen related content.
Priority guidance — A timely conversation, settings check, or safety step is recommended.Ongoing — Recent or continuing reports meet our evidence threshold.
The 'Benadryl Challenge' and unsafe diphenhydramine use
Some videos encourage teens to take unsafe amounts of diphenhydramine to hallucinate. An overdose can cause seizures, abnormal heart rhythms, or death. Explain the risk plainly, and store medicines where they are not simply available.
Review soon — Worth reviewing or discussing this week.Updated — Reviewed and changed in the last 30 days.
Viral challenges on short-video feeds
An overview of the recurring class of dares that algorithmic feeds surface to children, with dedicated advisories on choking and pass-out dares, unsafe diphenhydramine use, and the heated squishy-toy trend.
Review soon — Worth reviewing or discussing this week.New — Published in the last 30 days.
Heated squishy-toy trend and burn risk
Videos have encouraged children to microwave gel-filled squishy toys, best known as NeeDoh, to change how they squish. The sealed toy bursts and the scalding gel sticks to skin.
Review soon — Worth reviewing or discussing this week.Ongoing — Recent or continuing reports meet our evidence threshold.
Social media use and teen anxiety and depression
Heavy social media use is associated with worse mental health in adolescents — most strongly in girls — during a developmental window when sleep and self-image are already under pressure.
Review soon — Worth reviewing or discussing this week.Ongoing — Recent or continuing reports meet our evidence threshold.
Persuasive design: infinite scroll, autoplay, and variable rewards
Feeds are engineered to maximize time on screen using the same variable-reward mechanics as slot machines, against a self-control system that is not finished developing.
For awareness — Useful context; no immediate action is suggested.Watching — Quiet right now — we keep checking whether it returns.
Heavy screen use and the developing brain
Early, heavy screen exposure is linked to effects on sleep and attention, and to the displacement of the unstructured play and in-person time young children need.