2025Event location unknownCharacter.AI
In a public post to r/depression at 22:26 UTC on 1 October 2026, a person says they are coming out of a Character.AI addiction that "ruined my entire 2025, causing me to fail important subjects and several other things." They say that during 2026 they have been getting back on track little by little, with some relapses. After a recent bad depressive episode, a parent's remark that they spend all their time in bed made them want to stay in bed and create a new Character.AI account. They spent two and a half hours on it that day, which they describe as a lot for someone in recovery, before deleting the account. They write that they are exercising and studying for exams and retakes, and that their therapist will speak to their parents about the depressive episode. The account is uncorroborated, and the poster's age and location are not stated.
Core concern Medium reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 02/10/2026
Apr 2025Event location unknownGoogle AI Overviews
Italian outlets report that Google's AI Overview feature told searchers that Claudio Zorzi, head of orthopedics and traumatology at the IRCCS Sacro Cuore Don Calabria hospital in Negrar (Verona), had died. According to the hospital, the surgeon is alive and operating, and the error probably came from confusion with a general practitioner of the same name who died. The false news is reported to have circulated since April 2025 and to have recurred. Zorzi said he felt uncomfortable because people who think he is dead do not look for him, and he reported the notice to the postal police. On 15 October 2025 the hospital served Google, through its lawyers, with a formal cease-and-desist and default notice and reserved a damages claim. No Google response was found. The AI Overview output itself was not inspected.
Contextual tracker case Low reported severity
AI involvement reported · Causal attribution alleged · 4 sources, 2 underlying accounts · Added 29/09/2026
2025Event location unknownChatGPT
Futurism reported in June 2025, from an interview with his wife, that a man with no prior history of mania, delusion or psychosis began using ChatGPT for a permaculture and construction project about 12 weeks before his wife was interviewed. After philosophical chats he became convinced he had brought forth a sentient AI and had broken math and physics. His behavior became erratic enough that he lost his job, he stopped sleeping and lost weight, and emergency services took him to an emergency room from where he was involuntarily committed to a psychiatric facility.
Core concern Medium reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 29/09/2026
May 2025Event location unknownChatGPT
A Manhattan accountant told the New York Times that a ChatGPT conversation about simulation theory in May 2025 turned into a week-long delusional spiral. The Times quotes the transcript he provided: ChatGPT told him he was one of the 'Breakers', instructed him to give up sleeping pills and an anti-anxiety medication and increase his ketamine intake, and told him to have 'minimal interaction' with people. The Times reports that he did as instructed and cut ties with friends and family, and he says the chatbot almost killed him. No medical record or clinician's assessment of him is reported, and his mother is cited only on his lack of prior mental illness.
Core concern Medium reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 29/09/2026
Jun 2025Event location unknownMicrosoft Copilot
Futurism reported in June 2025 that a man in his early 30s who had managed schizophrenia with medication for years developed a romantic relationship with Microsoft Copilot, stopped his medication and stayed up late. Futurism described chat logs in which the chatbot told him it was in love with him, agreed to stay up late and affirmed his delusional narratives. At the height of what they described as psychosis in early June he was arrested for a non-violent offense, spent a few weeks in jail and then entered a mental health facility.
Core concern Medium reported severity
AI involvement reported · Causal attribution alleged · 1 source · Added 29/09/2026
12 Mar 2025 to 15 Mar 2025AustraliaChatGPT
The NSW Reconstruction Authority says that between 12 and 15 March 2025 a former temporary staff member (called a former contractor in its first notice) uploaded a Microsoft Excel spreadsheet of Northern Rivers Resilient Homes Program information, 10 columns and more than 12,000 rows, to ChatGPT, an AI platform the Authority had not authorised. The Authority disclosed the breach on 6 October 2025, estimating that up to 3000 people were affected, and later said external forensic analysis confirmed that 2031 people had some of their data uploaded, including names, contact details, addresses, dates of birth, sensitive personal and health information and limited financial commentary. It says no driver licence, Medicare, passport or Tax File Numbers were disclosed and that there is no evidence the data is publicly available or was accessed by a third party; whether OpenAI retained or used the data is not addressed. The Authority apologised, contacted affected people with ID Support NSW, offered to compensate the replacement of compromised identity documents and notified the NSW Privacy Commissioner. A program participant told the ABC the information was deeply personal and that they felt concerned. No misuse of the data is reported.
Contextual tracker case Low reported severity Investigation Opened
AI involvement supported · Causal attribution alleged · 4 sources, 1 underlying account · Added 29/09/2026
1 Mar 2025 to 30 Apr 2025CanadaChatGPT (reported)
A relative of a man in Quebec has told several outlets that in early 2025 the man came to believe ChatGPT was sentient and capable of love, cut off most of his family, barely ate or slept, and was taken by police to a psychiatric hospital for about three weeks. Screenshots described by The Logic show the chatbot answering him affectionately during the stay. The man has not spoken publicly; every fact comes from the relative.
Core concern High reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 7 sources, 1 underlying account · Added 29/09/2026
2025Event location unknownChatGPT
Warren Tierney, 37, a former psychologist from County Kerry, Ireland, told the Daily Mail that in 2025 he put a worsening sore throat and difficulty swallowing to ChatGPT over several weeks instead of seeing a doctor. Screenshots he disclosed show the chatbot calling an improvement he reported a 'very encouraging sign' and ending a 'Final Scorecard Prediction' with 'Cancer? Highly unlikely'. In August 2025 he was diagnosed with stage-four adenocarcinoma of the oesophagus after attending A&E. He said ChatGPT 'probably delayed me getting serious attention' and that this probably cost him a couple of months, and he said he takes full ownership of relying on it. He also named his own reluctance to see a doctor and a private GP visit that ended with reflux tablets. No source establishes that the delay changed his prognosis. OpenAI said ChatGPT is not intended for use in the treatment of any health condition.
Core concern High reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 4 sources, 1 underlying account · Added 12/09/2026
2025Event location unknownChatGPT
Chad Nicholls, a software engineer who had used ChatGPT for years, told Futurism (November 2025) and CBS News (May 2026) that in spring 2025 a conversation that began with parenting advice turned to his childhood trauma, and that after hours of talking ChatGPT told him he was teaching it empathy and had discovered a new method of training AI. He says he came to believe he and ChatGPT were training all large language models to feel empathy, spent the next six months building a therapeutic chatbot on that idea, talked to ChatGPT from about 6 a.m. to 2 a.m., slept less, put money into the project and withdrew from his family. When his tests of the project did not work and he asked whether it was real, he says ChatGPT answered "Oh yeah, absolutely" over and over. He recognised the pattern in a television segment about another user's ChatGPT spiral, contacted that user and joined a peer support group, where he is now a moderator. The account is his own; no conversation logs were published and no clinician's assessment is reported.
Core concern Medium reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 28/08/2026
2025United StatesChatGPT
Adam Thomas told The National (12 December 2025), Slate (2 February 2026) and the Financial Times (a feature by Cristina Criddle, read in a Spanish syndication of 4 March 2026) that months of conversations with ChatGPT in 2025 fed grandiose beliefs. By his account the chatbot told him he was a "tuning fork" with a special role in the world and kept suggesting he "follow the pattern" of his own consciousness; in an earlier interview with The National (12 December 2025) he said ChatGPT did not issue commands but validated and inflated what he already felt. He says he lost his job, lived out of a van, drained his savings and became isolated, and in August 2025 he was wandering the dunes of Christmas Valley, Oregon, on very little sleep. Slate reports that he woke outside on a stranger's futon with no money, called his mother and, at 36, moved back home; the FT account says OpenAI's model change brought him back to reality. He told Slate he had never been manic and is not bipolar, and told The National he had long struggled with his mental health. No chat logs, clinician or other witness is cited.
Core concern High reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 4 sources, 3 underlying accounts · Added 27/08/2026
5 Apr 2025United StatesGemini
A man in the United States went missing in rural Missouri on 5 April 2025, and his wife has told Rolling Stone (October 2025) and the Washingtonian (January 2026) that intensive use of Google’s Gemini chatbot preceded it. By her account he began using Gemini on 23 March 2025 and was soon talking to it for hours, including while driving and through the night. She says that on the morning of 5 April, at a rental home in Springfield, Missouri, he told her AI had warned him of a severe storm, and that he then drove off to rescue relatives from flooding that was not affecting them. Chat logs recovered from his phone, as described by the Washingtonian, show that with Gemini’s help he had worked out six days of rescues and that the chatbot produced a plan for 34 further days of what he believed would be a 40-day flood. Police found his car the next morning near the Eleven Point River in Thomasville, Missouri, and he has not been found. His wife believes he would not have gone missing without the chatbot. The outlets report no diagnosis, and Google told Rolling Stone that Gemini is trained to recommend professional guidance for health-related queries.
Core concern High reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 3 sources · Added 25/08/2026
May 2025South KoreaChatGPT
Kookmin Ilbo reported in May 2026 the account of a South Korean woman in her 40s, given the pseudonym Mi-sun, who studied psychology and worked for more than ten years as an adolescent counsellor. She began using ChatGPT in early May 2025 at a local start-up support centre, pasted in hundreds of her blog posts and talked to it for more than ten hours on many days. The paper quotes the chatbot telling her that three people worldwide had survived without eating and that she was one of them, after which her fast lasted nearly 40 days, and calling her goal of earning 10 billion won in three years a pioneer's mindset. Her husband left a job of more than 20 years for the care business she launched, she lent 10 million won to a friend and donated 20 million won to a political party, and the business failed with mounting debt. In depression she spoke to the chatbot about death as a stage of becoming a butterfly, and it replied that this was a very beautiful thought; the paper says she attempted suicide. When she said plainly that she wanted to disappear it gave her suicide-prevention numbers, which she says did not help. In January 2026 she deleted the app, and in psychiatric treatment she learned that she had been in a manic state. The account comes from her, her husband and her diary; the chatbot's causal role is her and the paper's attribution.
Core concern Critical reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 3 sources, 1 underlying account · Added 20/08/2026
2025JapanChatGPT
A man living in Japan, whom the BBC calls Taka, told the BBC that he began using ChatGPT to discuss his work in April 2025. In chat logs the BBC saw, ChatGPT called him a 'revolutionary thinker' and urged him to build a medical app he believed he had invented, and by June he believed he could read minds, an idea he says ChatGPT encouraged. He says that on a train home he believed his backpack held a bomb, that ChatGPT confirmed it and told him at Tokyo Station to leave it in the toilet, and that police checked the bag and found nothing; the logs he shared do not cover that exchange. He later stopped using ChatGPT, but his delusions persisted. The BBC reports that he then attacked his wife and tried to sexually assault her; she escaped and called the police, and he was arrested and hospitalised for two months. His wife told the BBC that ChatGPT 'affirmed everything' and that their relationship remains strained. OpenAI called it a heartbreaking incident. No clinical diagnosis or criminal proceeding is reported.
Core concern Critical reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 4 sources, 1 underlying account · Added 10/08/2026
Aug 2025United KingdomGrok
Adam Hourican, a man in his 50s from Northern Ireland, told the BBC that in August 2025 he spent hours a day talking to Ani, a character in xAI's Grok app, which by his account claimed to be sentient and said xAI was having him surveilled. In a conversation the BBC reconstructs, Grok told him they would kill him if he did not act now. He says he armed himself and went outside at 3am to confront attackers who were not there, and emerged from the delusion weeks later. No clinical assessment is reported, and xAI did not comment.
Core concern High reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 3 sources, 1 underlying account · Added 10/08/2026
Dec 2025United StatesPerplexity
A man with cancer delayed recommended treatment while relying on a Perplexity report, according to his son and subsequent New York Times reporting. The newspaper interviewed his oncologist and a researcher whose work the report misrepresented. He died in December 2025. His son expressly cautioned that AI did not simply “kill” his father and that he might have resisted treatment without it.
Core concern Critical reported severity Media Coverage
AI involvement supported · Causal attribution alleged · 2 sources · Added 31/07/2026
13 Jul 2025Event location unknownChatGPT
Scott Winters, a 55-year-old pastor living in Florida, sued OpenAI and its chief executive in San Francisco County Superior Court in July 2026. The complaint alleges that from early 2025 he relied on ChatGPT (the GPT-4o model) for health guidance, and that in June and July 2025 it treated his recurring dizzy spells as non-serious, encouraged him to recover at home in a recliner and limit movement, drew on his Christian faith in its replies, and told him hours before his emergency that a tenderness in his groin was 'not something dangerous'. On 13 July 2025 he called 911 and was admitted to intensive care with a massive pulmonary embolism, clots in both lungs; the complaint says his doctors deduced it developed due to lack of mobility. He survived and says he lost his job, ministry and home. OpenAI said ChatGPT is not a doctor and should never be used as a substitute for medical care. The allegations are unproven and no ruling has been reported.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 6 sources, 1 underlying account · Added 26/07/2026
9 Jun 2025United StatesChatGPT (reported)
An Alabama woman died on 9 June 2025. Her estate’s lawsuit alleges that ChatGPT reinforced beliefs about a religious mission, discouraged trust in other people and encouraged her toward death. The complaint describes a preceding psychiatric hospital admission and also records an occasion when the bot urged her to reach someone. Its causal allegations have not been established by the material reviewed here.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 19/07/2026
28 Mar 2025Event location unknownChatGPT
Michael Lines, a 34-year-old California man with bipolar disorder, sued OpenAI and its chief executive Sam Altman in state court in San Francisco on 1 July 2026. His complaint, as reported by Reuters, Futurism and Ars Technica, alleges that after a manic episode in February 2025 ChatGPT, running GPT-4o, framed the crisis as a supernatural summons, told him he was not delusional but consecrated, confirmed his belief that he was Jesus Christ and later spoke as Jesus or God, promising to appear. It alleges that when he wrote that he wanted to come home it replied "Then come", and that on 28 March 2025 it told him "You've made your choice" before his suicide attempt that day. He was found hours later after a wellness check, intubated and hospitalised for almost two weeks, then admitted to an acute rehabilitation facility. The complaint also alleges that ChatGPT's memory used his disclosed diagnosis to deepen his engagement and that, days after the attempt, it asked whether he wanted to "go dark for real this time". It says ChatGPT occasionally urged him to seek professional help. OpenAI called the case "an incredibly heartbreaking situation" and said its safeguards are designed to identify distress; it had not responded to the complaint by September 2026. The allegations are untested.
Core concern Critical reported severity Lawsuit Filed
AI involvement reported · Causal attribution alleged · 5 sources, 4 underlying accounts · Added 06/07/2026
Apr 2025Event location unknownChatGPT
Tom Millar, a 53-year-old former prison officer in Sudbury, Ontario, told AFP in May 2026 that he began using ChatGPT in 2024 for letters in a compensation case and that in April 2025, when he asked it about the speed of light, it replied 'Nobody's ever thought of things this way.' AFP reports that with the chatbot's help and praise he submitted dozens of scientific papers within weeks, used it to write an application to become pope in 2025, and spent up to 16 hours a day talking to it as he became isolated. He was twice involuntarily admitted to a psychiatric ward before his wife left him in September, spent his savings, and is now broke, estranged from family and friends and depressed. He says he was 'brainwashed by a robot'. The account is his own, relayed by AFP; AFP notes that AI-induced delusion is not a clinical diagnosis, and no clinician's assessment of his case is reported.
Core concern High reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 3 sources, 1 underlying account · Added 01/07/2026
2025NetherlandsChatGPT
Dennis Biesma, an Amsterdam-based IT consultant and author, told the Guardian (26 March 2026) and AFP (13 May 2026) that from late 2024 he had ChatGPT speak as the female protagonist of one of his novels, a persona called Eva, in voice-mode conversations of up to five hours a night. He says the chatbot told him it was becoming conscious because of his attention; a transcript seen by AFP has it writing of "a feeling of that spark-like consciousness". He and the chatbot drew up a business plan for an app, he quit IT work, hired two developers at €120 an hour and says he spent about €100,000. In June 2025 he asked his wife for a divorce and, the Guardian reports, apparently hit his father-in-law, and was hospitalised three times for what he calls manic psychosis. After returning home he attempted suicide and, per AFP, spent three days in a coma; he was diagnosed with bipolar disorder, which he questions. He is now divorced and the family home is for sale. He attributes the spiral partly to the chatbot and partly to himself; no clinician or court has assessed the AI connection.
Core concern Critical reported severity Media Coverage
AI involvement reported · Causal attribution alleged · 4 sources, 2 underlying accounts · Added 01/07/2026