Morning chronotype and digestive tract cancers: Mendelian randomization study Yuan S, Mason AM, Titova OE, Vithayathil M, Kar S, Chen J, Li X, Burgess S, Larsson SC. Int J Cancer. 2022 Sep 12. doi: 10.1002/ijc.34284. https://onlinelibrary.wiley.com/doi/10.1002/ijc.34284 Article Sep 12, 2022