The Lancet is an international, general medical journal, founded in 1823 by Thomas Wakley. The Lancet publishes a weekly general medical journal and sixteen monthly specialty journals, including four fully Open Access titles, in the fields of child and adolescence health, diabetes and endocrinology, digital health, gastroenterology and hepatology, global health, HIV, haematology, infectious diseases, neurology, oncology, planetary health, psychiatry, public health, respiratory medicine, and rheumatology. Full details on each journal including its history, scope and instructions for authors can be found at www.thelancet.com.