Figure 1. Diagram of the TSMR study for the association between NDDs (AD, DLB, PD, MS) and the risk of MI. (1), (2) and (3) are the research hypotheses. TSMR, two sample Mendelian randomization; NDDs, neurodegenerative diseases; AD, Alzheimer’s disease; PD, Parkinson’s disease; DLB, dementia with Lewy bodies; MS, multiple sclerosis; MI, myocardial infarction.