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AI deepfakes of real doctors spreading health misinformation on social media

The Guardian

An investigation found that real video of medical professionals is being manipulated using AI. An investigation found that real video of medical professionals is being manipulated using AI. TikTok and other social media platforms are hosting AI-generated deepfake videos of doctors whose words have been manipulated to help sell supplements and spread health misinformation. The factchecking organisation Full Fact has uncovered hundreds of such videos featuring impersonated versions of doctors and influencers directing viewers to Wellness Nest, a US-based supplements firm. All the deepfakes involve real footage of a health expert taken from the internet.


ZALM3: Zero-Shot Enhancement of Vision-Language Alignment via In-Context Information in Multi-Turn Multimodal Medical Dialogue

Li, Zhangpu, Zou, Changhong, Ma, Suxue, Yang, Zhicheng, Du, Chen, Tang, Youbao, Cao, Zhenjie, Zhang, Ning, Lai, Jui-Hsin, Lin, Ruei-Sung, Ni, Yuan, Sun, Xingzhi, Xiao, Jing, Hou, Jieke, Zhang, Kai, Han, Mei

arXiv.org Artificial Intelligence

The rocketing prosperity of large language models (LLMs) in recent years has boosted the prevalence of vision-language models (VLMs) in the medical sector. In our online medical consultation scenario, a doctor responds to the texts and images provided by a patient in multiple rounds to diagnose her/his health condition, forming a multi-turn multimodal medical dialogue format. Unlike high-quality images captured by professional equipment in traditional medical visual question answering (Med-VQA), the images in our case are taken by patients' mobile phones. These images have poor quality control, with issues such as excessive background elements and the lesion area being significantly off-center, leading to degradation of vision-language alignment in the model training phase. In this paper, we propose ZALM3, a Zero-shot strategy to improve vision-language ALignment in Multi-turn Multimodal Medical dialogue. Since we observe that the preceding text conversations before an image can infer the regions of interest (RoIs) in the image, ZALM3 employs an LLM to summarize the keywords from the preceding context and a visual grounding model to extract the RoIs. The updated images eliminate unnecessary background noise and provide more effective vision-language alignment. To better evaluate our proposed method, we design a new subjective assessment metric for multi-turn unimodal/multimodal medical dialogue to provide a fine-grained performance comparison. Our experiments across three different clinical departments remarkably demonstrate the efficacy of ZALM3 with statistical significance.


ChatGPT found to give better medical advice than real doctors in blind study: 'This will be a game changer'

FOX News

Chris Winfield, founder of Understanding A.I., tells'Fox & Friends Weekend' host Will Cain about a study showing patients preferred medical answers from artificial intelligence over doctors. When it comes to answering medical questions, can ChatGPT do a better job than human doctors? It appears to be possible, according to the results of a new study published in JAMA Internal Medicine, led by researchers from the University of California San Diego. The researchers compiled a random sample of nearly 200 medical questions that patients posted on Reddit, a popular social discussion website, for doctors to answer. Next, they entered the questions into ChatGPT (OpenAI's artificial intelligence chatbot) and recorded its response.


Artificial Intelligence Chatbots Could Make Your Doctors Obsolete

#artificialintelligence

Just imagine a very familiar scene: 3 a.m. and you google your symptoms and self-diagnose your illness. Then you have to decide based on whatever search has come up whether or not you need to see a doctor. This is one of those times where AI chatbots come into play. More and more HealthTech companies are focusing on providing a software solution for patients to define symptoms and then get proper treatment. Triage chatbots is an alternative to googling your symptoms.


Video: Shortage of doctors in China prompts rush for AI healthcare Hong Kong Free Press HKFP

#artificialintelligence

Qu Jianguo, 64, had a futuristic medical visit in Shanghai as he put his wrist through an automated pulse-taking machine and received the result within two minutes on a mobile phone – without a doctor present. The small device, which has a half-open clasp that records the heartbeat, is one of the technologies developed by hi-tech firms aiming to help China offset its shortage of physicians by combining big data and artificial intelligence (AI). The machine made by Ping An Good Doctor was shown off at the 2018 World AI Expo in Shanghai at a time when Chinese policymakers are making a major push to turn the country into a global tech leader. "I came here to see how Chinese-style medical treatment could be done without a doctor. That would be really convenient," said Qu, a retired IT worker attending the expo.


This artificial intelligence platform can provide health advice that is as accurate as a real doctor's

#artificialintelligence

A new artificial intelligence platform has demonstrated its ability to provide health advice that is as good as a human doctor's, according to research published on the preprint server arXiv.org. The technology, which has been developed by British company Babylon Health, takes the form of a mobile phone app, or website, that patients interact with via a chat service. The AI system has been put through rigorous testing that took place in collaboration with the U.K.'s Royal College of Physicians, as well as researchers from Stanford University and the Yale New Haven Health System. Part of this testing involved the AI taking a medical diagnosis exam that trainee primary care physicians in the U.K. must pass to be able to practice independently. Remarkably, the AI doctor scored 81 percent on its first attempt.


Medical diagnosis AI in Beijing beats real doctors - Tech Wire Asia

#artificialintelligence

HOW many times have we heard of doctors misdiagnosing patient? It's why most people prefer to get a second and maybe even a third opinion about serious medical conditions. However, with advancements in artificial intelligence (AI), can you imagine how amazing it would be if we could build and train algorithms that look for all the right markers, consider several hundred factors, and take into account all the possible permutations and combinations to deliver "perfect" or even "near perfect" results? Well, news from China suggests that the technology just came to life. According to The Star, an AI-powered system, dubbed BioMind by its creators at the AI Research Centre for Neurological Disorders and Capital Medical University, has defeated elite physicians in two rounds of a medical competition in Beijing.


This artificial intelligence platform can provide health advice that is as accurate as a real doctor's

#artificialintelligence

A new artificial intelligence platform has demonstrated its ability to provide health advice that is as good as a human doctor's, according to research published on the preprint server arXiv.org. The technology, which has been developed by British company Babylon Health, takes the form of a mobile phone app, or website, that patients interact with via a chat service. The AI system has been put through rigorous testing that took place in collaboration with the U.K.'s Royal College of Physicians, as well as researchers from Stanford University and the Yale New Haven Health System. Part of this testing involved the system taking a medical diagnosis exam that trainee primary care physicians in the U.K. must pass to be able to practice independently. Remarkably, the AI doctor scored 81 percent on its first attempt.


Medical AI may be better at spotting eye disease than real doctors

#artificialintelligence

A recent study from researchers at the Singapore National Eye Center (SNEC) shows just how proficient artificial intelligence (AI) is becoming at recognizing certain illnesses. In a study designed to test the performance of deep learning software, built to recognize and classify retinal images, the medical AI software proved to be reliable in recognizing three major eye diseases. The technology used machine learning to classify retinal images with or without diabetic retinopathy, glaucoma and age-related macular degeneration. According to Professor Wong Tien Yin, the study's lead and SNEC's medical director, "With the AI system, results (for the screening) should be instantaneous and it can potentially reduce 80 percent of the workload of graders and optometrists, freeing up their time for treatment." This begs the question of how the future of AI will impact the work that doctors do at every level, from diagnosis to treatment.


What technology is required to create a chatbot for patient care?

#artificialintelligence

New technologies change the way we experience healthcare services. Patient care digital solutions, such as chatbots, cannot replace real doctors but bring significant benefits to both healthcare providers/technology vendors and patients. How can you build a patient care chatbot? Patient care is a term meaning any interaction between healthcare providers and patients that is focused on curing or any other procedure aimed at improving patient's physical or mental health. Today patient care and healthcare services are increasingly delivered with the use of technology.