Foods high in vitamin A include organ meats, sweet potatoes, carrots, eggs, fish, and dairy products. You can also find vitamin A in dietary supplements. Vitamin A plays a role in your vision, bone ...

Correspondence to Dr Patricia Logullo, UK EQUATOR Network Centre, Centre for Statistics in Medicine (CSM), University of Oxford, Oxford, OX3 7LD, UK; patricia.logullo{at}ndorms.ox.ac.uk Scientific ...