Marianne is a freelance science journalist specializing in health, space, and tech. She particularly likes writing about obesity, neurology, and infectious diseases, but also loves digging into the business of science and tech. Marianne was previously a news editor at The Lancet and Nature Medicine and the U.K. science reporter for Business Insider. Before becoming a writer, Marianne was a scientist studying how the body fights infections from malaria parasites and gut bacteria.