RecruitingClinical trialVegetarian Diet and Innate Immunity in Patients With Myocardial Infarction and in Healthy Volunteers (FRESH-MI Study)The goal of this clinical trial is to assess the effect of a vegetarian diet on innate immunity of patients with a recent acute myocardial infarction and healthy participants. Also, we will assess the willingness to adapt a more vegetarian eating habit. Study subjects will follow a vegetarian diet for five weeks, whereafter a stabilisation period of six weeks will follow. Then, participants will follow to the other dietary intervention for five weeks. Blood will be drawn at given time points to analyse inflammatory parameters.