| | | | |  | | By Toni Odejimi, Shawn Zeller, Daniel Payne, Ruth Reader and Erin Schumaker | | | | | 
AI isn't replacing your ophthalmologist anytime soon, but the tech is improving. | Getty | Chat GPT scores a passing grade of 70 percent for analyzing eye images and answering eye health questions correctly, according to a study in JAMA Ophthalmology led by researchers at the University of Toronto. The chatbot, created by the San Francisco tech company OpenAI, answered 82 percent of multiple-choice questions correctly and 65 percent of the image analysis questions correctly. Researchers think the software they tested, Chat GPT-4, a version that can analyze images, could do better if it were trained more on eye health data. Why it matters: The medical field as a whole is looking at using AI to help diagnose and treat patients. Dr. Marko M. Popovic, an ophthalmologist at the University of Toronto and one of the researchers, said the technology could not only help eye care providers with their day-to-day workloads but could also improve care for people in rural areas. Patients could send photos of their eyes for diagnosis, he said. Even so: Chat GPT-4 isn’t the state of the art. Software specifically designed to screen for eye health issues performs better, the study found.
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Boothbay, Maine | Shawn Zeller/POLITICO | This is where we explore the ideas and innovators shaping health care. Want to beat the heat with ice cream? Take caution. Popular ice cream brands such as Hershey’s had some of their products recalled on Monday due to contamination with the deadly foodborne illness, listeria monocytogenes. Share any thoughts, news, tips and feedback with Carmen Paun at cpaun@politico.com, Daniel Payne at dpayne@politico.com, Ruth Reader at rreader@politico.com, Erin Schumaker at eschumaker@politico.com, or Toni Odejimi at aodejimi@politico.com. Send tips securely through SecureDrop, Signal, Telegram or WhatsApp.
| | |  Many people should get moving more than they do, a WHO study found. | AP | Across the globe, more people are lethargic than ever before. Despite rising obesity rates linked to inactivity, the world is becoming more idle, according to a new report from the World Health Organization, with 31 percent of adults failing to meet the WHO’s recommended physical activity levels in 2022. That’s five percentage points greater than in 2010, making it less likely the WHO can reach its goal: Reduce the amount of physical inactivity among adults by 15 percent by 2030. Rüdiger Krech, the WHO’s director of health promotion, told reporters he feared inactivity rates continue to rise. The WHO’s benchmark for adequate physical fitness is 150 minutes of moderate-intensity aerobic exercise a week or 75 minutes of vigorous exercise, as well as muscle-strengthening activities at least twice a week. Why it matters: Diabetes and cardiovascular diseases linked to inactivity are rising — and costing the public health system across the world billions in additional costs. The study noted disparities among groups, such as older adults and women, and regions. Inactivity dramatically increases when adults reach 60. High-income Asia Pacific countries have the highest levels of physical inactivity, but lower-middle-income countries are seeing higher levels of inactivity too. What’s next? The WHO recommends government programs to make cities more walkable and is asking companies to encourage their workers to get fit.
| | | | SUBSCRIBE TO GLOBAL PLAYBOOK: Don’t miss out on POLITICO’s Global Playbook, our newsletter taking you inside pivotal discussions at the most influential gatherings in the world. Suzanne Lynch delivers the world's elite and influential moments directly to you. Stay in the global loop. SUBSCRIBE NOW. | | | | | | | | |  People who've had a stroke are at risk of another, but AI could help. | Getty Images | Having a stroke greatly increases the chances of having another one, and every episode cuts off blood flow to the brain, which can be fatal. Researchers at Penn State College of Medicine plan to use a $2 million grant from the National Institute of Neurological Disorders and Stroke to build artificial intelligence capable of predicting who’s at risk for ischemic stroke, the most common type. How so? The researchers will have four years of funding to build their model. They plan to use stroke patients’ electronic health records, partnering with Geisinger in Pennsylvania, Johns Hopkins and the University of Memphis. They’ll identify ischemic stroke patients in both urban and rural areas with common traits as a way to determine which patients are at risk for another stroke or death. Why it matters: Stroke is the leading cause of death and disability worldwide, according to the Institute for Health Metrics and Evaluation at the University of Washington. Its Global Burden of Disease survey has shown rising stroke rates worldwide, especially among low-income people. | | | | Follow us on Twitter | | | | Follow us | | | | |
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