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A foundation model for generalizable disease detection from retinal images

Medical artificial intelligence (AI) offers great potential for recognizing signs of health conditions in retinal images and expediting the diagnosis of eye diseases and systemic disorders1. However, the development of AI models requires substantial annotation and models are usually task-specific with limited generalizability to different clinical applications2. Here, we present RETFound, a foundation model for retinal images that learns generalizable representations from unlabelled retinal images and provides a basis for label-efficient model adaptation in several applications. Specifically, RETFound is trained on 1.6 million unlabelled retinal images by means of self-supervised learning and then adapted to disease detection tasks with explicit labels. We show that adapted RETFound consistently outperforms several comparison models in the diagnosis and prognosis of sight-threatening eye diseases, as well as incident prediction of complex systemic disorders such as heart failure ....

United Kingdom , Extended Data , Extended Data Table , Supplementary Table , United Kingdom Biobank , Google Cloud Platform ,

Study finds higher breast cancer risk after certain forms of childhood cancer treatment

Study finds higher breast cancer risk after certain forms of childhood cancer treatment
medicalxpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from medicalxpress.com Daily Mail and Mail on Sunday newspapers.

United States , Leontien Kremer , Multivariable Cox , Jop Teepen , Yuehan Wang , Extended Data Table , Nature Medicine ,

Like-minded sources on Facebook are prevalent but not polarizing

Many critics raise concerns about the prevalence of ‘echo chambers’ on social media and their potential role in increasing political polarization. However, the lack of available data and the challenges of conducting large-scale field experiments have made it difficult to assess the scope of the problem1,2. Here we present data from 2020 for the entire population of active adult Facebook users in the USA showing that content from ‘like-minded’ sources constitutes the majority of what people see on the platform, although political information and news represent only a small fraction of these exposures. To evaluate a potential response to concerns about the effects of echo chambers, we conducted a multi-wave field experiment on Facebook among 23,377 users for whom we reduced exposure to content from like-minded sources during the 2020 US presidential election by about one-third. We found that the intervention increased their exposure to content from cross-cutting&a ....

United States , Instagram Election , Supplementary Information , Extended Data , Extended Data Table , Supplementary Table , Facebook Feed , Supplementary Tables ,

Accelerating the energy transition towards photovoltaic and wind in China | REVE News of the wind sector in Spain and in the world

Accelerating the energy transition towards photovoltaic and wind in China | REVE News of the wind sector in Spain and in the world
evwind.es - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from evwind.es Daily Mail and Mail on Sunday newspapers.

France General , United Kingdom , China General , Inner Mongolia , Nei Mongol , Xu Tang , Gang He , United States , Hwang Liu , New Zealand , Lin Wang , Gif Sur Yvette , Aleh Cherp , Yves Balkanski , Jordi Sardans , Monte Carlo , Chinajunji Cao , Didier Hauglustaine , Spainjosep Penuelas , Jianmin Chen , Renhe Zhang , Chinayijing Wang , Xiaofan Xing , Jiarong Li , Ruipu Yang , Japankatsumasa Tanaka ,

New research shows Lewy body disease can be detected before symptoms

New research shows Lewy body disease can be detected before symptoms
medicalxpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from medicalxpress.com Daily Mail and Mail on Sunday newspapers.

Corinne Quadalti , Sebastian Palmqvist , Oskar Hansson , University Hospital , Professor Of Neurology At Lund University , Lund University , Alzheimer Association International Conference , Extended Data Table , Nature Medicine , Association International ,